Home / 85,403,761.40-127,931,459.70-52,956,068.60

Finding the Fourth Proportional to 85,403,761.40, 127,931,459.70 and 52,956,068.60

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Solution

The fourth proportional to 85,403,761.40, 127,931,459.70 and 52,956,068.60 is: 79,326,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,403,761.40 : 127,931,459.70 = 52,956,068.60 : x
  2. Step 2: Convert to fraction form
    85,403,761.40/127,931,459.70 = 52,956,068.60/x
  3. Step 3: Cross multiply
    85,403,761.40x = 127,931,459.70 × 52,956,068.60
  4. Step 4: Simplify right side
    85,403,761.40x = 6,774,747,155,971,336
  5. Step 5: Solve for x
    x = 6,774,747,155,971,336/85,403,761.40
  6. Step 6: Final answer
    x = 79,326,098.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.