Home / 85,893,622.31-128,677,870.42-50,773,592.90

Finding the Fourth Proportional to 85,893,622.31, 128,677,870.42 and 50,773,592.90

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Solution

The fourth proportional to 85,893,622.31, 128,677,870.42 and 50,773,592.90 is: 76,064,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,893,622.31 : 128,677,870.42 = 50,773,592.90 : x
  2. Step 2: Convert to fraction form
    85,893,622.31/128,677,870.42 = 50,773,592.90/x
  3. Step 3: Cross multiply
    85,893,622.31x = 128,677,870.42 × 50,773,592.90
  4. Step 4: Simplify right side
    85,893,622.31x = 6,533,437,808,138,793
  5. Step 5: Solve for x
    x = 6,533,437,808,138,793/85,893,622.31
  6. Step 6: Final answer
    x = 76,064,294.79

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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.