Home / 135,158,691.04-186,522,928.38-76,420,095.04

Finding the Fourth Proportional to 135,158,691.04, 186,522,928.38 and 76,420,095.04

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Solution

The fourth proportional to 135,158,691.04, 186,522,928.38 and 76,420,095.04 is: 105,461,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,158,691.04 : 186,522,928.38 = 76,420,095.04 : x
  2. Step 2: Convert to fraction form
    135,158,691.04/186,522,928.38 = 76,420,095.04/x
  3. Step 3: Cross multiply
    135,158,691.04x = 186,522,928.38 × 76,420,095.04
  4. Step 4: Simplify right side
    135,158,691.04x = 14,254,099,913,938,714
  5. Step 5: Solve for x
    x = 14,254,099,913,938,714/135,158,691.04
  6. Step 6: Final answer
    x = 105,461,955.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.