Home / 132,101,607.60-198,152,411.40-55,479,625.20

Finding the Fourth Proportional to 132,101,607.60, 198,152,411.40 and 55,479,625.20

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Solution

The fourth proportional to 132,101,607.60, 198,152,411.40 and 55,479,625.20 is: 83,219,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101,607.60 : 198,152,411.40 = 55,479,625.20 : x
  2. Step 2: Convert to fraction form
    132,101,607.60/198,152,411.40 = 55,479,625.20/x
  3. Step 3: Cross multiply
    132,101,607.60x = 198,152,411.40 × 55,479,625.20
  4. Step 4: Simplify right side
    132,101,607.60x = 10,993,421,516,948,208
  5. Step 5: Solve for x
    x = 10,993,421,516,948,208/132,101,607.60
  6. Step 6: Final answer
    x = 83,219,437.80

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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.