Home / 108,072,841.38-149,140,323.95-58,513,209

Finding the Fourth Proportional to 108,072,841.38, 149,140,323.95 and 58,513,209

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Solution

The fourth proportional to 108,072,841.38, 149,140,323.95 and 58,513,209 is: 80,748,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,072,841.38 : 149,140,323.95 = 58,513,209 : x
  2. Step 2: Convert to fraction form
    108,072,841.38/149,140,323.95 = 58,513,209/x
  3. Step 3: Cross multiply
    108,072,841.38x = 149,140,323.95 × 58,513,209
  4. Step 4: Simplify right side
    108,072,841.38x = 8,726,678,945,321,489
  5. Step 5: Solve for x
    x = 8,726,678,945,321,489/108,072,841.38
  6. Step 6: Final answer
    x = 80,748,121.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.