Home / 147,326,957.20-220,990,435.80-89,931,329.20

Finding the Fourth Proportional to 147,326,957.20, 220,990,435.80 and 89,931,329.20

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Solution

The fourth proportional to 147,326,957.20, 220,990,435.80 and 89,931,329.20 is: 134,896,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,326,957.20 : 220,990,435.80 = 89,931,329.20 : x
  2. Step 2: Convert to fraction form
    147,326,957.20/220,990,435.80 = 89,931,329.20/x
  3. Step 3: Cross multiply
    147,326,957.20x = 220,990,435.80 × 89,931,329.20
  4. Step 4: Simplify right side
    147,326,957.20x = 19,873,963,631,981,268
  5. Step 5: Solve for x
    x = 19,873,963,631,981,268/147,326,957.20
  6. Step 6: Final answer
    x = 134,896,993.80

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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.