Home / 70,545,816,129.60-105,818,724,194.40-31,363,734,081.60

Finding the Fourth Proportional to 70,545,816,129.60, 105,818,724,194.40 and 31,363,734,081.60

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Solution

The fourth proportional to 70,545,816,129.60, 105,818,724,194.40 and 31,363,734,081.60 is: 47,045,601,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,545,816,129.60 : 105,818,724,194.40 = 31,363,734,081.60 : x
  2. Step 2: Convert to fraction form
    70,545,816,129.60/105,818,724,194.40 = 31,363,734,081.60/x
  3. Step 3: Cross multiply
    70,545,816,129.60x = 105,818,724,194.40 × 31,363,734,081.60
  4. Step 4: Simplify right side
    70,545,816,129.60x = 3,318,870,326,487,333,470,208
  5. Step 5: Solve for x
    x = 3,318,870,326,487,333,470,208/70,545,816,129.60
  6. Step 6: Final answer
    x = 47,045,601,122.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.