Home / 79,133,346.80-118,700,020.20-48,900,258.80

Finding the Fourth Proportional to 79,133,346.80, 118,700,020.20 and 48,900,258.80

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Solution

The fourth proportional to 79,133,346.80, 118,700,020.20 and 48,900,258.80 is: 73,350,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,133,346.80 : 118,700,020.20 = 48,900,258.80 : x
  2. Step 2: Convert to fraction form
    79,133,346.80/118,700,020.20 = 48,900,258.80/x
  3. Step 3: Cross multiply
    79,133,346.80x = 118,700,020.20 × 48,900,258.80
  4. Step 4: Simplify right side
    79,133,346.80x = 5,804,461,707,345,228
  5. Step 5: Solve for x
    x = 5,804,461,707,345,228/79,133,346.80
  6. Step 6: Final answer
    x = 73,350,388.20

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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.