Home / 115,348,272.95-159,181,609.34-65,791,156.85

Finding the Fourth Proportional to 115,348,272.95, 159,181,609.34 and 65,791,156.85

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Solution

The fourth proportional to 115,348,272.95, 159,181,609.34 and 65,791,156.85 is: 90,792,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,348,272.95 : 159,181,609.34 = 65,791,156.85 : x
  2. Step 2: Convert to fraction form
    115,348,272.95/159,181,609.34 = 65,791,156.85/x
  3. Step 3: Cross multiply
    115,348,272.95x = 159,181,609.34 × 65,791,156.85
  4. Step 4: Simplify right side
    115,348,272.95x = 10,472,742,226,598,502
  5. Step 5: Solve for x
    x = 10,472,742,226,598,502/115,348,272.95
  6. Step 6: Final answer
    x = 90,792,362.64

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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.