Home / 108,869,999.60-163,304,999.40-65,787,849.20

Finding the Fourth Proportional to 108,869,999.60, 163,304,999.40 and 65,787,849.20

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Solution

The fourth proportional to 108,869,999.60, 163,304,999.40 and 65,787,849.20 is: 98,681,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869,999.60 : 163,304,999.40 = 65,787,849.20 : x
  2. Step 2: Convert to fraction form
    108,869,999.60/163,304,999.40 = 65,787,849.20/x
  3. Step 3: Cross multiply
    108,869,999.60x = 163,304,999.40 × 65,787,849.20
  4. Step 4: Simplify right side
    108,869,999.60x = 10,743,484,674,133,292
  5. Step 5: Solve for x
    x = 10,743,484,674,133,292/108,869,999.60
  6. Step 6: Final answer
    x = 98,681,773.80

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1.5x scale

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.