Home / 79,432,029.09-109,625,076-48,087,349.20

Finding the Fourth Proportional to 79,432,029.09, 109,625,076 and 48,087,349.20

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Solution

The fourth proportional to 79,432,029.09, 109,625,076 and 48,087,349.20 is: 66,365,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,432,029.09 : 109,625,076 = 48,087,349.20 : x
  2. Step 2: Convert to fraction form
    79,432,029.09/109,625,076 = 48,087,349.20/x
  3. Step 3: Cross multiply
    79,432,029.09x = 109,625,076 × 48,087,349.20
  4. Step 4: Simplify right side
    79,432,029.09x = 5,271,579,310,688,540
  5. Step 5: Solve for x
    x = 5,271,579,310,688,540/79,432,029.09
  6. Step 6: Final answer
    x = 66,365,915.25

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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.