Home / 145,163,193,927.60-217,744,790,891.40-120,368,282,631.60

Finding the Fourth Proportional to 145,163,193,927.60, 217,744,790,891.40 and 120,368,282,631.60

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Solution

The fourth proportional to 145,163,193,927.60, 217,744,790,891.40 and 120,368,282,631.60 is: 180,552,423,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,193,927.60 : 217,744,790,891.40 = 120,368,282,631.60 : x
  2. Step 2: Convert to fraction form
    145,163,193,927.60/217,744,790,891.40 = 120,368,282,631.60/x
  3. Step 3: Cross multiply
    145,163,193,927.60x = 217,744,790,891.40 × 120,368,282,631.60
  4. Step 4: Simplify right side
    145,163,193,927.60x = 26,209,566,531,574,676,062,208
  5. Step 5: Solve for x
    x = 26,209,566,531,574,676,062,208/145,163,193,927.60
  6. Step 6: Final answer
    x = 180,552,423,947.40

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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.