Home / 112,434,272.41-155,159,712.57-65,402,630.86

Finding the Fourth Proportional to 112,434,272.41, 155,159,712.57 and 65,402,630.86

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Solution

The fourth proportional to 112,434,272.41, 155,159,712.57 and 65,402,630.86 is: 90,255,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,434,272.41 : 155,159,712.57 = 65,402,630.86 : x
  2. Step 2: Convert to fraction form
    112,434,272.41/155,159,712.57 = 65,402,630.86/x
  3. Step 3: Cross multiply
    112,434,272.41x = 155,159,712.57 × 65,402,630.86
  4. Step 4: Simplify right side
    112,434,272.41x = 10,147,853,405,559,412
  5. Step 5: Solve for x
    x = 10,147,853,405,559,412/112,434,272.41
  6. Step 6: Final answer
    x = 90,255,872.95

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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.