Home / 291,433,966.20-437,654,834.10-155,385,070.20

Finding the Fourth Proportional to 291,433,966.20, 437,654,834.10 and 155,385,070.20

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Solution

The fourth proportional to 291,433,966.20, 437,654,834.10 and 155,385,070.20 is: 233,346,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,433,966.20 : 437,654,834.10 = 155,385,070.20 : x
  2. Step 2: Convert to fraction form
    291,433,966.20/437,654,834.10 = 155,385,070.20/x
  3. Step 3: Cross multiply
    291,433,966.20x = 437,654,834.10 × 155,385,070.20
  4. Step 4: Simplify right side
    291,433,966.20x = 68,005,027,119,997,856
  5. Step 5: Solve for x
    x = 68,005,027,119,997,856/291,433,966.20
  6. Step 6: Final answer
    x = 233,346,263.67

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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.