Home / 130,161,665.64-179,622,601.46-71,425,312.68

Finding the Fourth Proportional to 130,161,665.64, 179,622,601.46 and 71,425,312.68

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Solution

The fourth proportional to 130,161,665.64, 179,622,601.46 and 71,425,312.68 is: 98,566,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,161,665.64 : 179,622,601.46 = 71,425,312.68 : x
  2. Step 2: Convert to fraction form
    130,161,665.64/179,622,601.46 = 71,425,312.68/x
  3. Step 3: Cross multiply
    130,161,665.64x = 179,622,601.46 × 71,425,312.68
  4. Step 4: Simplify right side
    130,161,665.64x = 12,829,600,473,675,526
  5. Step 5: Solve for x
    x = 12,829,600,473,675,526/130,161,665.64
  6. Step 6: Final answer
    x = 98,566,658.71

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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.