Home / 131,264,953.20-181,145,263.55-72,527,200.16

Finding the Fourth Proportional to 131,264,953.20, 181,145,263.55 and 72,527,200.16

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Solution

The fourth proportional to 131,264,953.20, 181,145,263.55 and 72,527,200.16 is: 100,087,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,264,953.20 : 181,145,263.55 = 72,527,200.16 : x
  2. Step 2: Convert to fraction form
    131,264,953.20/181,145,263.55 = 72,527,200.16/x
  3. Step 3: Cross multiply
    131,264,953.20x = 181,145,263.55 × 72,527,200.16
  4. Step 4: Simplify right side
    131,264,953.20x = 13,137,958,786,258,440
  5. Step 5: Solve for x
    x = 13,137,958,786,258,440/131,264,953.20
  6. Step 6: Final answer
    x = 100,087,330.75

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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.