Home / 163,728,659.40-245,592,989.10-99,158,577.90

Finding the Fourth Proportional to 163,728,659.40, 245,592,989.10 and 99,158,577.90

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Solution

The fourth proportional to 163,728,659.40, 245,592,989.10 and 99,158,577.90 is: 148,737,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,728,659.40 : 245,592,989.10 = 99,158,577.90 : x
  2. Step 2: Convert to fraction form
    163,728,659.40/245,592,989.10 = 99,158,577.90/x
  3. Step 3: Cross multiply
    163,728,659.40x = 245,592,989.10 × 99,158,577.90
  4. Step 4: Simplify right side
    163,728,659.40x = 24,352,651,541,366,200
  5. Step 5: Solve for x
    x = 24,352,651,541,366,200/163,728,659.40
  6. Step 6: Final answer
    x = 148,737,866.85

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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.