Home / 107,143,534.83-147,889,545.36-69,979,496.61

Finding the Fourth Proportional to 107,143,534.83, 147,889,545.36 and 69,979,496.61

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Solution

The fourth proportional to 107,143,534.83, 147,889,545.36 and 69,979,496.61 is: 96,592,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,143,534.83 : 147,889,545.36 = 69,979,496.61 : x
  2. Step 2: Convert to fraction form
    107,143,534.83/147,889,545.36 = 69,979,496.61/x
  3. Step 3: Cross multiply
    107,143,534.83x = 147,889,545.36 × 69,979,496.61
  4. Step 4: Simplify right side
    107,143,534.83x = 10,349,235,938,174,562
  5. Step 5: Solve for x
    x = 10,349,235,938,174,562/107,143,534.83
  6. Step 6: Final answer
    x = 96,592,257.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.