Home / 148,648,157.22-205,088,177.42-85,901,395.85

Finding the Fourth Proportional to 148,648,157.22, 205,088,177.42 and 85,901,395.85

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Solution

The fourth proportional to 148,648,157.22, 205,088,177.42 and 85,901,395.85 is: 118,517,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,648,157.22 : 205,088,177.42 = 85,901,395.85 : x
  2. Step 2: Convert to fraction form
    148,648,157.22/205,088,177.42 = 85,901,395.85/x
  3. Step 3: Cross multiply
    148,648,157.22x = 205,088,177.42 × 85,901,395.85
  4. Step 4: Simplify right side
    148,648,157.22x = 17,617,360,712,346,712
  5. Step 5: Solve for x
    x = 17,617,360,712,346,712/148,648,157.22
  6. Step 6: Final answer
    x = 118,517,182.06

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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.