Home / 147,745,104.60-221,617,656.90-86,523,101.40

Finding the Fourth Proportional to 147,745,104.60, 221,617,656.90 and 86,523,101.40

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Solution

The fourth proportional to 147,745,104.60, 221,617,656.90 and 86,523,101.40 is: 129,784,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,745,104.60 : 221,617,656.90 = 86,523,101.40 : x
  2. Step 2: Convert to fraction form
    147,745,104.60/221,617,656.90 = 86,523,101.40/x
  3. Step 3: Cross multiply
    147,745,104.60x = 221,617,656.90 × 86,523,101.40
  4. Step 4: Simplify right side
    147,745,104.60x = 19,175,046,999,989,112
  5. Step 5: Solve for x
    x = 19,175,046,999,989,112/147,745,104.60
  6. Step 6: Final answer
    x = 129,784,652.10

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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.