Home / 102,398,618.33-141,348,520.36-67,118,696.40

Finding the Fourth Proportional to 102,398,618.33, 141,348,520.36 and 67,118,696.40

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Solution

The fourth proportional to 102,398,618.33, 141,348,520.36 and 67,118,696.40 is: 92,648,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,398,618.33 : 141,348,520.36 = 67,118,696.40 : x
  2. Step 2: Convert to fraction form
    102,398,618.33/141,348,520.36 = 67,118,696.40/x
  3. Step 3: Cross multiply
    102,398,618.33x = 141,348,520.36 × 67,118,696.40
  4. Step 4: Simplify right side
    102,398,618.33x = 9,487,128,424,632,060
  5. Step 5: Solve for x
    x = 9,487,128,424,632,060/102,398,618.33
  6. Step 6: Final answer
    x = 92,648,988.62

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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.