Home / 108,011,355-149,056,124.40-58,451,731.10

Finding the Fourth Proportional to 108,011,355, 149,056,124.40 and 58,451,731.10

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Solution

The fourth proportional to 108,011,355, 149,056,124.40 and 58,451,731.10 is: 80,663,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,011,355 : 149,056,124.40 = 58,451,731.10 : x
  2. Step 2: Convert to fraction form
    108,011,355/149,056,124.40 = 58,451,731.10/x
  3. Step 3: Cross multiply
    108,011,355x = 149,056,124.40 × 58,451,731.10
  4. Step 4: Simplify right side
    108,011,355x = 8,712,588,502,236,949
  5. Step 5: Solve for x
    x = 8,712,588,502,236,949/108,011,355
  6. Step 6: Final answer
    x = 80,663,634.88

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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.