Home / 90,224,636.22-124,506,663.97-48,970,642.86

Finding the Fourth Proportional to 90,224,636.22, 124,506,663.97 and 48,970,642.86

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Solution

The fourth proportional to 90,224,636.22, 124,506,663.97 and 48,970,642.86 is: 67,577,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224,636.22 : 124,506,663.97 = 48,970,642.86 : x
  2. Step 2: Convert to fraction form
    90,224,636.22/124,506,663.97 = 48,970,642.86/x
  3. Step 3: Cross multiply
    90,224,636.22x = 124,506,663.97 × 48,970,642.86
  4. Step 4: Simplify right side
    90,224,636.22x = 6,097,171,374,964,900
  5. Step 5: Solve for x
    x = 6,097,171,374,964,900/90,224,636.22
  6. Step 6: Final answer
    x = 67,577,677.57

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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.