Home / 357,839,432.20-536,699,355.71-99,080,809.30

Finding the Fourth Proportional to 357,839,432.20, 536,699,355.71 and 99,080,809.30

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Solution

The fourth proportional to 357,839,432.20, 536,699,355.71 and 99,080,809.30 is: 148,604,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,839,432.20 : 536,699,355.71 = 99,080,809.30 : x
  2. Step 2: Convert to fraction form
    357,839,432.20/536,699,355.71 = 99,080,809.30/x
  3. Step 3: Cross multiply
    357,839,432.20x = 536,699,355.71 × 99,080,809.30
  4. Step 4: Simplify right side
    357,839,432.20x = 53,176,606,514,535,376
  5. Step 5: Solve for x
    x = 53,176,606,514,535,376/357,839,432.20
  6. Step 6: Final answer
    x = 148,604,658.21

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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.