Home / 147,557,874.80-221,336,812.20-70,862,409.20

Finding the Fourth Proportional to 147,557,874.80, 221,336,812.20 and 70,862,409.20

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Solution

The fourth proportional to 147,557,874.80, 221,336,812.20 and 70,862,409.20 is: 106,293,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,557,874.80 : 221,336,812.20 = 70,862,409.20 : x
  2. Step 2: Convert to fraction form
    147,557,874.80/221,336,812.20 = 70,862,409.20/x
  3. Step 3: Cross multiply
    147,557,874.80x = 221,336,812.20 × 70,862,409.20
  4. Step 4: Simplify right side
    147,557,874.80x = 15,684,459,757,139,952
  5. Step 5: Solve for x
    x = 15,684,459,757,139,952/147,557,874.80
  6. Step 6: Final answer
    x = 106,293,613.80

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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.