Home / 125,145,363.60-187,718,045.40-120,610,400.40

Finding the Fourth Proportional to 125,145,363.60, 187,718,045.40 and 120,610,400.40

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Solution

The fourth proportional to 125,145,363.60, 187,718,045.40 and 120,610,400.40 is: 180,915,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,145,363.60 : 187,718,045.40 = 120,610,400.40 : x
  2. Step 2: Convert to fraction form
    125,145,363.60/187,718,045.40 = 120,610,400.40/x
  3. Step 3: Cross multiply
    125,145,363.60x = 187,718,045.40 × 120,610,400.40
  4. Step 4: Simplify right side
    125,145,363.60x = 22,640,748,617,999,380
  5. Step 5: Solve for x
    x = 22,640,748,617,999,380/125,145,363.60
  6. Step 6: Final answer
    x = 180,915,600.60

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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.