Home / 130,791,919.14-180,518,194.83-75,070,331.10

Finding the Fourth Proportional to 130,791,919.14, 180,518,194.83 and 75,070,331.10

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Solution

The fourth proportional to 130,791,919.14, 180,518,194.83 and 75,070,331.10 is: 103,611,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,791,919.14 : 180,518,194.83 = 75,070,331.10 : x
  2. Step 2: Convert to fraction form
    130,791,919.14/180,518,194.83 = 75,070,331.10/x
  3. Step 3: Cross multiply
    130,791,919.14x = 180,518,194.83 × 75,070,331.10
  4. Step 4: Simplify right side
    130,791,919.14x = 13,551,560,655,462,408
  5. Step 5: Solve for x
    x = 13,551,560,655,462,408/130,791,919.14
  6. Step 6: Final answer
    x = 103,611,604.94

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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.