Home / 130,407,427.20-195,611,140.80-69,941,251.20

Finding the Fourth Proportional to 130,407,427.20, 195,611,140.80 and 69,941,251.20

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Solution

The fourth proportional to 130,407,427.20, 195,611,140.80 and 69,941,251.20 is: 104,911,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,407,427.20 : 195,611,140.80 = 69,941,251.20 : x
  2. Step 2: Convert to fraction form
    130,407,427.20/195,611,140.80 = 69,941,251.20/x
  3. Step 3: Cross multiply
    130,407,427.20x = 195,611,140.80 × 69,941,251.20
  4. Step 4: Simplify right side
    130,407,427.20x = 13,681,287,936,211,370
  5. Step 5: Solve for x
    x = 13,681,287,936,211,370/130,407,427.20
  6. Step 6: Final answer
    x = 104,911,876.80

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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.