Home / 124,734,364.20-186,818,111.10-78,817,861.80

Finding the Fourth Proportional to 124,734,364.20, 186,818,111.10 and 78,817,861.80

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Solution

The fourth proportional to 124,734,364.20, 186,818,111.10 and 78,817,861.80 is: 118,047,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,734,364.20 : 186,818,111.10 = 78,817,861.80 : x
  2. Step 2: Convert to fraction form
    124,734,364.20/186,818,111.10 = 78,817,861.80/x
  3. Step 3: Cross multiply
    124,734,364.20x = 186,818,111.10 × 78,817,861.80
  4. Step 4: Simplify right side
    124,734,364.20x = 14,724,604,062,416,844
  5. Step 5: Solve for x
    x = 14,724,604,062,416,844/124,734,364.20
  6. Step 6: Final answer
    x = 118,047,694.05

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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.