Home / 112,990,962.52-155,918,918.02-63,421,758.24

Finding the Fourth Proportional to 112,990,962.52, 155,918,918.02 and 63,421,758.24

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Solution

The fourth proportional to 112,990,962.52, 155,918,918.02 and 63,421,758.24 is: 87,517,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,990,962.52 : 155,918,918.02 = 63,421,758.24 : x
  2. Step 2: Convert to fraction form
    112,990,962.52/155,918,918.02 = 63,421,758.24/x
  3. Step 3: Cross multiply
    112,990,962.52x = 155,918,918.02 × 63,421,758.24
  4. Step 4: Simplify right side
    112,990,962.52x = 9,888,651,923,706,820
  5. Step 5: Solve for x
    x = 9,888,651,923,706,820/112,990,962.52
  6. Step 6: Final answer
    x = 87,517,193.44

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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.