Home / 70,959,143.34-97,917,752.61-40,026,915.18

Finding the Fourth Proportional to 70,959,143.34, 97,917,752.61 and 40,026,915.18

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Solution

The fourth proportional to 70,959,143.34, 97,917,752.61 and 40,026,915.18 is: 55,233,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,959,143.34 : 97,917,752.61 = 40,026,915.18 : x
  2. Step 2: Convert to fraction form
    70,959,143.34/97,917,752.61 = 40,026,915.18/x
  3. Step 3: Cross multiply
    70,959,143.34x = 97,917,752.61 × 40,026,915.18
  4. Step 4: Simplify right side
    70,959,143.34x = 3,919,345,578,336,693.50
  5. Step 5: Solve for x
    x = 3,919,345,578,336,693.50/70,959,143.34
  6. Step 6: Final answer
    x = 55,233,834.48

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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.