Home / 109,306,973.20-163,936,840.20-47,896,013.20

Finding the Fourth Proportional to 109,306,973.20, 163,936,840.20 and 47,896,013.20

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Solution

The fourth proportional to 109,306,973.20, 163,936,840.20 and 47,896,013.20 is: 71,833,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306,973.20 : 163,936,840.20 = 47,896,013.20 : x
  2. Step 2: Convert to fraction form
    109,306,973.20/163,936,840.20 = 47,896,013.20/x
  3. Step 3: Cross multiply
    109,306,973.20x = 163,936,840.20 × 47,896,013.20
  4. Step 4: Simplify right side
    109,306,973.20x = 7,851,921,062,185,491
  5. Step 5: Solve for x
    x = 7,851,921,062,185,491/109,306,973.20
  6. Step 6: Final answer
    x = 71,833,670.19

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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.