Home / 90,497,991,398.86-124,902,425,296.15-52,459,992,386.38

Finding the Fourth Proportional to 90,497,991,398.86, 124,902,425,296.15 and 52,459,992,386.38

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Solution

The fourth proportional to 90,497,991,398.86, 124,902,425,296.15 and 52,459,992,386.38 is: 72,403,599,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,497,991,398.86 : 124,902,425,296.15 = 52,459,992,386.38 : x
  2. Step 2: Convert to fraction form
    90,497,991,398.86/124,902,425,296.15 = 52,459,992,386.38/x
  3. Step 3: Cross multiply
    90,497,991,398.86x = 124,902,425,296.15 × 52,459,992,386.38
  4. Step 4: Simplify right side
    90,497,991,398.86x = 6,552,380,280,076,425,494,528
  5. Step 5: Solve for x
    x = 6,552,380,280,076,425,494,528/90,497,991,398.86
  6. Step 6: Final answer
    x = 72,403,599,005.83

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1.5x scale

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.