Home / 146,790,979.20-220,186,468.80-98,418,038.40

Finding the Fourth Proportional to 146,790,979.20, 220,186,468.80 and 98,418,038.40

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Solution

The fourth proportional to 146,790,979.20, 220,186,468.80 and 98,418,038.40 is: 147,627,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,790,979.20 : 220,186,468.80 = 98,418,038.40 : x
  2. Step 2: Convert to fraction form
    146,790,979.20/220,186,468.80 = 98,418,038.40/x
  3. Step 3: Cross multiply
    146,790,979.20x = 220,186,468.80 × 98,418,038.40
  4. Step 4: Simplify right side
    146,790,979.20x = 21,670,320,341,518,804
  5. Step 5: Solve for x
    x = 21,670,320,341,518,804/146,790,979.20
  6. Step 6: Final answer
    x = 147,627,057.60

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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.