Home / 90,025,047.68-124,234,691.86-48,771,940.05

Finding the Fourth Proportional to 90,025,047.68, 124,234,691.86 and 48,771,940.05

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Solution

The fourth proportional to 90,025,047.68, 124,234,691.86 and 48,771,940.05 is: 67,305,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,025,047.68 : 124,234,691.86 = 48,771,940.05 : x
  2. Step 2: Convert to fraction form
    90,025,047.68/124,234,691.86 = 48,771,940.05/x
  3. Step 3: Cross multiply
    90,025,047.68x = 124,234,691.86 × 48,771,940.05
  4. Step 4: Simplify right side
    90,025,047.68x = 6,059,166,943,282,283
  5. Step 5: Solve for x
    x = 6,059,166,943,282,283/90,025,047.68
  6. Step 6: Final answer
    x = 67,305,345.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.