Home / 100,708,520.94-151,062,283.53-87,020,013.22

Finding the Fourth Proportional to 100,708,520.94, 151,062,283.53 and 87,020,013.22

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Solution

The fourth proportional to 100,708,520.94, 151,062,283.53 and 87,020,013.22 is: 130,529,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,708,520.94 : 151,062,283.53 = 87,020,013.22 : x
  2. Step 2: Convert to fraction form
    100,708,520.94/151,062,283.53 = 87,020,013.22/x
  3. Step 3: Cross multiply
    100,708,520.94x = 151,062,283.53 × 87,020,013.22
  4. Step 4: Simplify right side
    100,708,520.94x = 13,145,441,909,446,332
  5. Step 5: Solve for x
    x = 13,145,441,909,446,332/100,708,520.94
  6. Step 6: Final answer
    x = 130,529,589.62

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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.