Home / 108,870,695.60-163,306,043.40-40,699,281.20

Finding the Fourth Proportional to 108,870,695.60, 163,306,043.40 and 40,699,281.20

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Solution

The fourth proportional to 108,870,695.60, 163,306,043.40 and 40,699,281.20 is: 61,048,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870,695.60 : 163,306,043.40 = 40,699,281.20 : x
  2. Step 2: Convert to fraction form
    108,870,695.60/163,306,043.40 = 40,699,281.20/x
  3. Step 3: Cross multiply
    108,870,695.60x = 163,306,043.40 × 40,699,281.20
  4. Step 4: Simplify right side
    108,870,695.60x = 6,646,438,581,996,005
  5. Step 5: Solve for x
    x = 6,646,438,581,996,005/108,870,695.60
  6. Step 6: Final answer
    x = 61,048,921.80

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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.