Home / 85,106,158.92-127,475,875.44-57,661,875

Finding the Fourth Proportional to 85,106,158.92, 127,475,875.44 and 57,661,875

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Solution

The fourth proportional to 85,106,158.92, 127,475,875.44 and 57,661,875 is: 86,368,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,106,158.92 : 127,475,875.44 = 57,661,875 : x
  2. Step 2: Convert to fraction form
    85,106,158.92/127,475,875.44 = 57,661,875/x
  3. Step 3: Cross multiply
    85,106,158.92x = 127,475,875.44 × 57,661,875
  4. Step 4: Simplify right side
    85,106,158.92x = 7,350,497,995,136,850
  5. Step 5: Solve for x
    x = 7,350,497,995,136,850/85,106,158.92
  6. Step 6: Final answer
    x = 86,368,578.82

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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.