Home / 185,660,363.97-256,218,216.81-111,333,025.71

Finding the Fourth Proportional to 185,660,363.97, 256,218,216.81 and 111,333,025.71

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Solution

The fourth proportional to 185,660,363.97, 256,218,216.81 and 111,333,025.71 is: 153,643,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,660,363.97 : 256,218,216.81 = 111,333,025.71 : x
  2. Step 2: Convert to fraction form
    185,660,363.97/256,218,216.81 = 111,333,025.71/x
  3. Step 3: Cross multiply
    185,660,363.97x = 256,218,216.81 × 111,333,025.71
  4. Step 4: Simplify right side
    185,660,363.97x = 28,525,549,319,478,084
  5. Step 5: Solve for x
    x = 28,525,549,319,478,084/185,660,363.97
  6. Step 6: Final answer
    x = 153,643,721.85

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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.