Home / 132,225,999.40-198,338,999.10-91,915,215.40

Finding the Fourth Proportional to 132,225,999.40, 198,338,999.10 and 91,915,215.40

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Solution

The fourth proportional to 132,225,999.40, 198,338,999.10 and 91,915,215.40 is: 137,872,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,225,999.40 : 198,338,999.10 = 91,915,215.40 : x
  2. Step 2: Convert to fraction form
    132,225,999.40/198,338,999.10 = 91,915,215.40/x
  3. Step 3: Cross multiply
    132,225,999.40x = 198,338,999.10 × 91,915,215.40
  4. Step 4: Simplify right side
    132,225,999.40x = 18,230,371,824,496,908
  5. Step 5: Solve for x
    x = 18,230,371,824,496,908/132,225,999.40
  6. Step 6: Final answer
    x = 137,872,823.10

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1.5x scale

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.