Home / 131,220,565.60-196,830,848.40-40,344,008.80

Finding the Fourth Proportional to 131,220,565.60, 196,830,848.40 and 40,344,008.80

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Solution

The fourth proportional to 131,220,565.60, 196,830,848.40 and 40,344,008.80 is: 60,516,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,565.60 : 196,830,848.40 = 40,344,008.80 : x
  2. Step 2: Convert to fraction form
    131,220,565.60/196,830,848.40 = 40,344,008.80/x
  3. Step 3: Cross multiply
    131,220,565.60x = 196,830,848.40 × 40,344,008.80
  4. Step 4: Simplify right side
    131,220,565.60x = 7,940,945,479,961,066
  5. Step 5: Solve for x
    x = 7,940,945,479,961,066/131,220,565.60
  6. Step 6: Final answer
    x = 60,516,013.20

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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.