Home / 384,915,996.80-577,506,187.20-112,326,761.60

Finding the Fourth Proportional to 384,915,996.80, 577,506,187.20 and 112,326,761.60

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Solution

The fourth proportional to 384,915,996.80, 577,506,187.20 and 112,326,761.60 is: 168,528,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,915,996.80 : 577,506,187.20 = 112,326,761.60 : x
  2. Step 2: Convert to fraction form
    384,915,996.80/577,506,187.20 = 112,326,761.60/x
  3. Step 3: Cross multiply
    384,915,996.80x = 577,506,187.20 × 112,326,761.60
  4. Step 4: Simplify right side
    384,915,996.80x = 64,869,399,812,139,376
  5. Step 5: Solve for x
    x = 64,869,399,812,139,376/384,915,996.80
  6. Step 6: Final answer
    x = 168,528,718.87

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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.