Home / 156,565,941.22-216,048,398.57-90,490,719.14

Finding the Fourth Proportional to 156,565,941.22, 216,048,398.57 and 90,490,719.14

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Solution

The fourth proportional to 156,565,941.22, 216,048,398.57 and 90,490,719.14 is: 124,869,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,565,941.22 : 216,048,398.57 = 90,490,719.14 : x
  2. Step 2: Convert to fraction form
    156,565,941.22/216,048,398.57 = 90,490,719.14/x
  3. Step 3: Cross multiply
    156,565,941.22x = 216,048,398.57 × 90,490,719.14
  4. Step 4: Simplify right side
    156,565,941.22x = 19,550,374,955,644,648
  5. Step 5: Solve for x
    x = 19,550,374,955,644,648/156,565,941.22
  6. Step 6: Final answer
    x = 124,869,909.79

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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.