Home / 292,786,549.76-439,180,851.12-74,436,915.36

Finding the Fourth Proportional to 292,786,549.76, 439,180,851.12 and 74,436,915.36

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Solution

The fourth proportional to 292,786,549.76, 439,180,851.12 and 74,436,915.36 is: 111,655,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,786,549.76 : 439,180,851.12 = 74,436,915.36 : x
  2. Step 2: Convert to fraction form
    292,786,549.76/439,180,851.12 = 74,436,915.36/x
  3. Step 3: Cross multiply
    292,786,549.76x = 439,180,851.12 × 74,436,915.36
  4. Step 4: Simplify right side
    292,786,549.76x = 32,691,267,843,919,988
  5. Step 5: Solve for x
    x = 32,691,267,843,919,988/292,786,549.76
  6. Step 6: Final answer
    x = 111,655,634.01

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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.