Home / 108,988,037.76-163,320,612.30-89,694,280.02

Finding the Fourth Proportional to 108,988,037.76, 163,320,612.30 and 89,694,280.02

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Solution

The fourth proportional to 108,988,037.76, 163,320,612.30 and 89,694,280.02 is: 134,408,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,988,037.76 : 163,320,612.30 = 89,694,280.02 : x
  2. Step 2: Convert to fraction form
    108,988,037.76/163,320,612.30 = 89,694,280.02/x
  3. Step 3: Cross multiply
    108,988,037.76x = 163,320,612.30 × 89,694,280.02
  4. Step 4: Simplify right side
    108,988,037.76x = 14,648,924,732,674,056
  5. Step 5: Solve for x
    x = 14,648,924,732,674,056/108,988,037.76
  6. Step 6: Final answer
    x = 134,408,555.60

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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.