Home / 72,060,848.64-108,124,210.80-39,222,223.92

Finding the Fourth Proportional to 72,060,848.64, 108,124,210.80 and 39,222,223.92

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Solution

The fourth proportional to 72,060,848.64, 108,124,210.80 and 39,222,223.92 is: 58,851,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,060,848.64 : 108,124,210.80 = 39,222,223.92 : x
  2. Step 2: Convert to fraction form
    72,060,848.64/108,124,210.80 = 39,222,223.92/x
  3. Step 3: Cross multiply
    72,060,848.64x = 108,124,210.80 × 39,222,223.92
  4. Step 4: Simplify right side
    72,060,848.64x = 4,240,872,007,170,882.50
  5. Step 5: Solve for x
    x = 4,240,872,007,170,882.50/72,060,848.64
  6. Step 6: Final answer
    x = 58,851,263.72

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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.