Home / 103,534,482.24-142,929,360-64,388,869.92

Finding the Fourth Proportional to 103,534,482.24, 142,929,360 and 64,388,869.92

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Solution

The fourth proportional to 103,534,482.24, 142,929,360 and 64,388,869.92 is: 88,888,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,534,482.24 : 142,929,360 = 64,388,869.92 : x
  2. Step 2: Convert to fraction form
    103,534,482.24/142,929,360 = 64,388,869.92/x
  3. Step 3: Cross multiply
    103,534,482.24x = 142,929,360 × 64,388,869.92
  4. Step 4: Simplify right side
    103,534,482.24x = 9,203,059,968,788,852
  5. Step 5: Solve for x
    x = 9,203,059,968,788,852/103,534,482.24
  6. Step 6: Final answer
    x = 88,888,839.44

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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.