Home / 205,935,333.85-308,898,277.57-103,671,909.85

Finding the Fourth Proportional to 205,935,333.85, 308,898,277.57 and 103,671,909.85

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Solution

The fourth proportional to 205,935,333.85, 308,898,277.57 and 103,671,909.85 is: 155,505,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,935,333.85 : 308,898,277.57 = 103,671,909.85 : x
  2. Step 2: Convert to fraction form
    205,935,333.85/308,898,277.57 = 103,671,909.85/x
  3. Step 3: Cross multiply
    205,935,333.85x = 308,898,277.57 × 103,671,909.85
  4. Step 4: Simplify right side
    205,935,333.85x = 32,024,074,385,057,316
  5. Step 5: Solve for x
    x = 32,024,074,385,057,316/205,935,333.85
  6. Step 6: Final answer
    x = 155,505,487.02

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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.