Home / 130,813,977.62-180,527,380.30-75,069,597.49

Finding the Fourth Proportional to 130,813,977.62, 180,527,380.30 and 75,069,597.49

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Solution

The fourth proportional to 130,813,977.62, 180,527,380.30 and 75,069,597.49 is: 103,598,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,813,977.62 : 180,527,380.30 = 75,069,597.49 : x
  2. Step 2: Convert to fraction form
    130,813,977.62/180,527,380.30 = 75,069,597.49/x
  3. Step 3: Cross multiply
    130,813,977.62x = 180,527,380.30 × 75,069,597.49
  4. Step 4: Simplify right side
    130,813,977.62x = 13,552,117,775,045,156
  5. Step 5: Solve for x
    x = 13,552,117,775,045,156/130,813,977.62
  6. Step 6: Final answer
    x = 103,598,392.32

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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.