Home / 85,710,515.04-118,266,690.60-52,660,134.72

Finding the Fourth Proportional to 85,710,515.04, 118,266,690.60 and 52,660,134.72

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Solution

The fourth proportional to 85,710,515.04, 118,266,690.60 and 52,660,134.72 is: 72,662,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,710,515.04 : 118,266,690.60 = 52,660,134.72 : x
  2. Step 2: Convert to fraction form
    85,710,515.04/118,266,690.60 = 52,660,134.72/x
  3. Step 3: Cross multiply
    85,710,515.04x = 118,266,690.60 × 52,660,134.72
  4. Step 4: Simplify right side
    85,710,515.04x = 6,227,939,859,884,557
  5. Step 5: Solve for x
    x = 6,227,939,859,884,557/85,710,515.04
  6. Step 6: Final answer
    x = 72,662,494.88

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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.