Home / 130,834,168.56-180,548,673.84-72,102,263.04

Finding the Fourth Proportional to 130,834,168.56, 180,548,673.84 and 72,102,263.04

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Solution

The fourth proportional to 130,834,168.56, 180,548,673.84 and 72,102,263.04 is: 99,499,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,834,168.56 : 180,548,673.84 = 72,102,263.04 : x
  2. Step 2: Convert to fraction form
    130,834,168.56/180,548,673.84 = 72,102,263.04/x
  3. Step 3: Cross multiply
    130,834,168.56x = 180,548,673.84 × 72,102,263.04
  4. Step 4: Simplify right side
    130,834,168.56x = 13,017,967,972,734,848
  5. Step 5: Solve for x
    x = 13,017,967,972,734,848/130,834,168.56
  6. Step 6: Final answer
    x = 99,499,756.95

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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.