Home / 147,744,897.60-221,617,346.40-86,522,894.40

Finding the Fourth Proportional to 147,744,897.60, 221,617,346.40 and 86,522,894.40

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Solution

The fourth proportional to 147,744,897.60, 221,617,346.40 and 86,522,894.40 is: 129,784,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,897.60 : 221,617,346.40 = 86,522,894.40 : x
  2. Step 2: Convert to fraction form
    147,744,897.60/221,617,346.40 = 86,522,894.40/x
  3. Step 3: Cross multiply
    147,744,897.60x = 221,617,346.40 × 86,522,894.40
  4. Step 4: Simplify right side
    147,744,897.60x = 19,174,974,259,775,420
  5. Step 5: Solve for x
    x = 19,174,974,259,775,420/147,744,897.60
  6. Step 6: Final answer
    x = 129,784,341.60

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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.