Home / 88,086,528,363.60-132,129,792,545.40-78,454,938,373.20

Finding the Fourth Proportional to 88,086,528,363.60, 132,129,792,545.40 and 78,454,938,373.20

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Solution

The fourth proportional to 88,086,528,363.60, 132,129,792,545.40 and 78,454,938,373.20 is: 117,682,407,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,086,528,363.60 : 132,129,792,545.40 = 78,454,938,373.20 : x
  2. Step 2: Convert to fraction form
    88,086,528,363.60/132,129,792,545.40 = 78,454,938,373.20/x
  3. Step 3: Cross multiply
    88,086,528,363.60x = 132,129,792,545.40 × 78,454,938,373.20
  4. Step 4: Simplify right side
    88,086,528,363.60x = 10,366,234,731,413,057,306,624
  5. Step 5: Solve for x
    x = 10,366,234,731,413,057,306,624/88,086,528,363.60
  6. Step 6: Final answer
    x = 117,682,407,559.80

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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.