Home / 358,119,901.03-537,179,851.55-99,335,121.61

Finding the Fourth Proportional to 358,119,901.03, 537,179,851.55 and 99,335,121.61

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Solution

The fourth proportional to 358,119,901.03, 537,179,851.55 and 99,335,121.61 is: 149,002,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,119,901.03 : 537,179,851.55 = 99,335,121.61 : x
  2. Step 2: Convert to fraction form
    358,119,901.03/537,179,851.55 = 99,335,121.61/x
  3. Step 3: Cross multiply
    358,119,901.03x = 537,179,851.55 × 99,335,121.61
  4. Step 4: Simplify right side
    358,119,901.03x = 53,360,825,878,321,368
  5. Step 5: Solve for x
    x = 53,360,825,878,321,368/358,119,901.03
  6. Step 6: Final answer
    x = 149,002,682.41

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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.