Home / 86,785,323.66-119,755,830.78-51,497,047.80

Finding the Fourth Proportional to 86,785,323.66, 119,755,830.78 and 51,497,047.80

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Solution

The fourth proportional to 86,785,323.66, 119,755,830.78 and 51,497,047.80 is: 71,061,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,785,323.66 : 119,755,830.78 = 51,497,047.80 : x
  2. Step 2: Convert to fraction form
    86,785,323.66/119,755,830.78 = 51,497,047.80/x
  3. Step 3: Cross multiply
    86,785,323.66x = 119,755,830.78 × 51,497,047.80
  4. Step 4: Simplify right side
    86,785,323.66x = 6,167,071,742,006,371
  5. Step 5: Solve for x
    x = 6,167,071,742,006,371/86,785,323.66
  6. Step 6: Final answer
    x = 71,061,228.81

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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.