Home / 142,125,931.95-213,156,668.77-64,351,493.02

Finding the Fourth Proportional to 142,125,931.95, 213,156,668.77 and 64,351,493.02

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Solution

The fourth proportional to 142,125,931.95, 213,156,668.77 and 64,351,493.02 is: 96,512,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,125,931.95 : 213,156,668.77 = 64,351,493.02 : x
  2. Step 2: Convert to fraction form
    142,125,931.95/213,156,668.77 = 64,351,493.02/x
  3. Step 3: Cross multiply
    142,125,931.95x = 213,156,668.77 × 64,351,493.02
  4. Step 4: Simplify right side
    142,125,931.95x = 13,716,949,882,519,108
  5. Step 5: Solve for x
    x = 13,716,949,882,519,108/142,125,931.95
  6. Step 6: Final answer
    x = 96,512,646.88

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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.