Home / 65,791,330.88-90,801,538.16-37,908,702.96

Finding the Fourth Proportional to 65,791,330.88, 90,801,538.16 and 37,908,702.96

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Solution

The fourth proportional to 65,791,330.88, 90,801,538.16 and 37,908,702.96 is: 52,319,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,791,330.88 : 90,801,538.16 = 37,908,702.96 : x
  2. Step 2: Convert to fraction form
    65,791,330.88/90,801,538.16 = 37,908,702.96/x
  3. Step 3: Cross multiply
    65,791,330.88x = 90,801,538.16 × 37,908,702.96
  4. Step 4: Simplify right side
    65,791,330.88x = 3,442,168,538,418,545
  5. Step 5: Solve for x
    x = 3,442,168,538,418,545/65,791,330.88
  6. Step 6: Final answer
    x = 52,319,484.84

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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.