Home / 147,745,219.60-221,617,829.40-86,523,216.40

Finding the Fourth Proportional to 147,745,219.60, 221,617,829.40 and 86,523,216.40

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Solution

The fourth proportional to 147,745,219.60, 221,617,829.40 and 86,523,216.40 is: 129,784,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,745,219.60 : 221,617,829.40 = 86,523,216.40 : x
  2. Step 2: Convert to fraction form
    147,745,219.60/221,617,829.40 = 86,523,216.40/x
  3. Step 3: Cross multiply
    147,745,219.60x = 221,617,829.40 × 86,523,216.40
  4. Step 4: Simplify right side
    147,745,219.60x = 19,175,087,411,274,484
  5. Step 5: Solve for x
    x = 19,175,087,411,274,484/147,745,219.60
  6. Step 6: Final answer
    x = 129,784,824.60

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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.