Home / 239,139,903.15-358,484,156.33-129,803,899.95

Finding the Fourth Proportional to 239,139,903.15, 358,484,156.33 and 129,803,899.95

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Solution

The fourth proportional to 239,139,903.15, 358,484,156.33 and 129,803,899.95 is: 194,583,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,139,903.15 : 358,484,156.33 = 129,803,899.95 : x
  2. Step 2: Convert to fraction form
    239,139,903.15/358,484,156.33 = 129,803,899.95/x
  3. Step 3: Cross multiply
    239,139,903.15x = 358,484,156.33 × 129,803,899.95
  4. Step 4: Simplify right side
    239,139,903.15x = 46,532,641,561,270,456
  5. Step 5: Solve for x
    x = 46,532,641,561,270,456/239,139,903.15
  6. Step 6: Final answer
    x = 194,583,342.00

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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.