Home / 147,745,085.60-221,617,628.40-86,523,082.40

Finding the Fourth Proportional to 147,745,085.60, 221,617,628.40 and 86,523,082.40

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Solution

The fourth proportional to 147,745,085.60, 221,617,628.40 and 86,523,082.40 is: 129,784,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,745,085.60 : 221,617,628.40 = 86,523,082.40 : x
  2. Step 2: Convert to fraction form
    147,745,085.60/221,617,628.40 = 86,523,082.40/x
  3. Step 3: Cross multiply
    147,745,085.60x = 221,617,628.40 × 86,523,082.40
  4. Step 4: Simplify right side
    147,745,085.60x = 19,175,040,323,345,780
  5. Step 5: Solve for x
    x = 19,175,040,323,345,780/147,745,085.60
  6. Step 6: Final answer
    x = 129,784,623.60

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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.