Home / 84,725,810.66-127,030,696.91-43,146,200.57

Finding the Fourth Proportional to 84,725,810.66, 127,030,696.91 and 43,146,200.57

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Solution

The fourth proportional to 84,725,810.66, 127,030,696.91 and 43,146,200.57 is: 64,689,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725,810.66 : 127,030,696.91 = 43,146,200.57 : x
  2. Step 2: Convert to fraction form
    84,725,810.66/127,030,696.91 = 43,146,200.57/x
  3. Step 3: Cross multiply
    84,725,810.66x = 127,030,696.91 × 43,146,200.57
  4. Step 4: Simplify right side
    84,725,810.66x = 5,480,891,926,574,854
  5. Step 5: Solve for x
    x = 5,480,891,926,574,854/84,725,810.66
  6. Step 6: Final answer
    x = 64,689,754.92

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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.