Home / 142,565,981.04-213,938,930.49-60,684,728.58

Finding the Fourth Proportional to 142,565,981.04, 213,938,930.49 and 60,684,728.58

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Solution

The fourth proportional to 142,565,981.04, 213,938,930.49 and 60,684,728.58 is: 91,065,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,565,981.04 : 213,938,930.49 = 60,684,728.58 : x
  2. Step 2: Convert to fraction form
    142,565,981.04/213,938,930.49 = 60,684,728.58/x
  3. Step 3: Cross multiply
    142,565,981.04x = 213,938,930.49 × 60,684,728.58
  4. Step 4: Simplify right side
    142,565,981.04x = 12,982,825,929,481,136
  5. Step 5: Solve for x
    x = 12,982,825,929,481,136/142,565,981.04
  6. Step 6: Final answer
    x = 91,065,384.85

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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.