Home / 99,854,443.40-149,781,665.10-57,387,115.40

Finding the Fourth Proportional to 99,854,443.40, 149,781,665.10 and 57,387,115.40

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Solution

The fourth proportional to 99,854,443.40, 149,781,665.10 and 57,387,115.40 is: 86,080,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,443.40 : 149,781,665.10 = 57,387,115.40 : x
  2. Step 2: Convert to fraction form
    99,854,443.40/149,781,665.10 = 57,387,115.40/x
  3. Step 3: Cross multiply
    99,854,443.40x = 149,781,665.10 × 57,387,115.40
  4. Step 4: Simplify right side
    99,854,443.40x = 8,595,537,699,897,852
  5. Step 5: Solve for x
    x = 8,595,537,699,897,852/99,854,443.40
  6. Step 6: Final answer
    x = 86,080,673.10

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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.