Home / 65,835,432-90,831,900.96-42,648,333.12

Finding the Fourth Proportional to 65,835,432, 90,831,900.96 and 42,648,333.12

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Solution

The fourth proportional to 65,835,432, 90,831,900.96 and 42,648,333.12 is: 58,841,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,835,432 : 90,831,900.96 = 42,648,333.12 : x
  2. Step 2: Convert to fraction form
    65,835,432/90,831,900.96 = 42,648,333.12/x
  3. Step 3: Cross multiply
    65,835,432x = 90,831,900.96 × 42,648,333.12
  4. Step 4: Simplify right side
    65,835,432x = 3,873,829,170,064,927.50
  5. Step 5: Solve for x
    x = 3,873,829,170,064,927.50/65,835,432
  6. Step 6: Final answer
    x = 58,841,098.97

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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.