Home / 98,345,145.60-147,517,718.40-47,326,809.60

Finding the Fourth Proportional to 98,345,145.60, 147,517,718.40 and 47,326,809.60

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Solution

The fourth proportional to 98,345,145.60, 147,517,718.40 and 47,326,809.60 is: 70,990,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345,145.60 : 147,517,718.40 = 47,326,809.60 : x
  2. Step 2: Convert to fraction form
    98,345,145.60/147,517,718.40 = 47,326,809.60/x
  3. Step 3: Cross multiply
    98,345,145.60x = 147,517,718.40 × 47,326,809.60
  4. Step 4: Simplify right side
    98,345,145.60x = 6,981,542,971,343,217
  5. Step 5: Solve for x
    x = 6,981,542,971,343,217/98,345,145.60
  6. Step 6: Final answer
    x = 70,990,214.40

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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.