Home / 90,497,991,398.61-124,902,425,295.81-52,459,992,386.13

Finding the Fourth Proportional to 90,497,991,398.61, 124,902,425,295.81 and 52,459,992,386.13

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Solution

The fourth proportional to 90,497,991,398.61, 124,902,425,295.81 and 52,459,992,386.13 is: 72,403,599,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,497,991,398.61 : 124,902,425,295.81 = 52,459,992,386.13 : x
  2. Step 2: Convert to fraction form
    90,497,991,398.61/124,902,425,295.81 = 52,459,992,386.13/x
  3. Step 3: Cross multiply
    90,497,991,398.61x = 124,902,425,295.81 × 52,459,992,386.13
  4. Step 4: Simplify right side
    90,497,991,398.61x = 6,552,380,280,027,363,672,064
  5. Step 5: Solve for x
    x = 6,552,380,280,027,363,672,064/90,497,991,398.61
  6. Step 6: Final answer
    x = 72,403,599,005.49

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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.