Home / 108,864,025.80-163,296,038.70-40,697,860.20

Finding the Fourth Proportional to 108,864,025.80, 163,296,038.70 and 40,697,860.20

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Solution

The fourth proportional to 108,864,025.80, 163,296,038.70 and 40,697,860.20 is: 61,046,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,864,025.80 : 163,296,038.70 = 40,697,860.20 : x
  2. Step 2: Convert to fraction form
    108,864,025.80/163,296,038.70 = 40,697,860.20/x
  3. Step 3: Cross multiply
    108,864,025.80x = 163,296,038.70 × 40,697,860.20
  4. Step 4: Simplify right side
    108,864,025.80x = 6,645,799,354,226,390
  5. Step 5: Solve for x
    x = 6,645,799,354,226,390/108,864,025.80
  6. Step 6: Final answer
    x = 61,046,790.30

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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.