Home / 100,602,001.70-150,903,002.55-69,991,000.10

Finding the Fourth Proportional to 100,602,001.70, 150,903,002.55 and 69,991,000.10

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Solution

The fourth proportional to 100,602,001.70, 150,903,002.55 and 69,991,000.10 is: 104,986,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,001.70 : 150,903,002.55 = 69,991,000.10 : x
  2. Step 2: Convert to fraction form
    100,602,001.70/150,903,002.55 = 69,991,000.10/x
  3. Step 3: Cross multiply
    100,602,001.70x = 150,903,002.55 × 69,991,000.10
  4. Step 4: Simplify right side
    100,602,001.70x = 10,561,852,066,567,350
  5. Step 5: Solve for x
    x = 10,561,852,066,567,350/100,602,001.70
  6. Step 6: Final answer
    x = 104,986,500.15

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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.