Home / 61,661,785.48-85,087,063.38-34,154,574.28

Finding the Fourth Proportional to 61,661,785.48, 85,087,063.38 and 34,154,574.28

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Solution

The fourth proportional to 61,661,785.48, 85,087,063.38 and 34,154,574.28 is: 47,129,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,661,785.48 : 85,087,063.38 = 34,154,574.28 : x
  2. Step 2: Convert to fraction form
    61,661,785.48/85,087,063.38 = 34,154,574.28/x
  3. Step 3: Cross multiply
    61,661,785.48x = 85,087,063.38 × 34,154,574.28
  4. Step 4: Simplify right side
    61,661,785.48x = 2,906,112,426,479,278
  5. Step 5: Solve for x
    x = 2,906,112,426,479,278/61,661,785.48
  6. Step 6: Final answer
    x = 47,129,877.99

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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.