Home / 142,125,929.95-213,156,665.77-64,351,491.02

Finding the Fourth Proportional to 142,125,929.95, 213,156,665.77 and 64,351,491.02

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Solution

The fourth proportional to 142,125,929.95, 213,156,665.77 and 64,351,491.02 is: 96,512,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,125,929.95 : 213,156,665.77 = 64,351,491.02 : x
  2. Step 2: Convert to fraction form
    142,125,929.95/213,156,665.77 = 64,351,491.02/x
  3. Step 3: Cross multiply
    142,125,929.95x = 213,156,665.77 × 64,351,491.02
  4. Step 4: Simplify right side
    142,125,929.95x = 13,716,949,263,151,298
  5. Step 5: Solve for x
    x = 13,716,949,263,151,298/142,125,929.95
  6. Step 6: Final answer
    x = 96,512,643.88

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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.