Home / 130,736,528.40-180,414,229.14-72,004,658.34

Finding the Fourth Proportional to 130,736,528.40, 180,414,229.14 and 72,004,658.34

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Solution

The fourth proportional to 130,736,528.40, 180,414,229.14 and 72,004,658.34 is: 99,365,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,736,528.40 : 180,414,229.14 = 72,004,658.34 : x
  2. Step 2: Convert to fraction form
    130,736,528.40/180,414,229.14 = 72,004,658.34/x
  3. Step 3: Cross multiply
    130,736,528.40x = 180,414,229.14 × 72,004,658.34
  4. Step 4: Simplify right side
    130,736,528.40x = 12,990,664,928,900,172
  5. Step 5: Solve for x
    x = 12,990,664,928,900,172/130,736,528.40
  6. Step 6: Final answer
    x = 99,365,227.82

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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.