Home / 107,892,005.40-161,838,008.10-98,007,202.80

Finding the Fourth Proportional to 107,892,005.40, 161,838,008.10 and 98,007,202.80

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Solution

The fourth proportional to 107,892,005.40, 161,838,008.10 and 98,007,202.80 is: 147,010,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892,005.40 : 161,838,008.10 = 98,007,202.80 : x
  2. Step 2: Convert to fraction form
    107,892,005.40/161,838,008.10 = 98,007,202.80/x
  3. Step 3: Cross multiply
    107,892,005.40x = 161,838,008.10 × 98,007,202.80
  4. Step 4: Simplify right side
    107,892,005.40x = 15,861,290,480,604,742
  5. Step 5: Solve for x
    x = 15,861,290,480,604,742/107,892,005.40
  6. Step 6: Final answer
    x = 147,010,804.20

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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.