Home / 91,856,802.70-137,785,204.05-40,838,466.70

Finding the Fourth Proportional to 91,856,802.70, 137,785,204.05 and 40,838,466.70

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Solution

The fourth proportional to 91,856,802.70, 137,785,204.05 and 40,838,466.70 is: 61,257,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856,802.70 : 137,785,204.05 = 40,838,466.70 : x
  2. Step 2: Convert to fraction form
    91,856,802.70/137,785,204.05 = 40,838,466.70/x
  3. Step 3: Cross multiply
    91,856,802.70x = 137,785,204.05 × 40,838,466.70
  4. Step 4: Simplify right side
    91,856,802.70x = 5,626,936,467,348,631
  5. Step 5: Solve for x
    x = 5,626,936,467,348,631/91,856,802.70
  6. Step 6: Final answer
    x = 61,257,700.05

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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.