Home / 112,013,132.60-168,019,698.90-48,312,140.60

Finding the Fourth Proportional to 112,013,132.60, 168,019,698.90 and 48,312,140.60

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Solution

The fourth proportional to 112,013,132.60, 168,019,698.90 and 48,312,140.60 is: 72,468,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,013,132.60 : 168,019,698.90 = 48,312,140.60 : x
  2. Step 2: Convert to fraction form
    112,013,132.60/168,019,698.90 = 48,312,140.60/x
  3. Step 3: Cross multiply
    112,013,132.60x = 168,019,698.90 × 48,312,140.60
  4. Step 4: Simplify right side
    112,013,132.60x = 8,117,391,316,826,466
  5. Step 5: Solve for x
    x = 8,117,391,316,826,466/112,013,132.60
  6. Step 6: Final answer
    x = 72,468,210.90

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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.