Home / 97,679,903.40-146,687,816.70-69,126,431.40

Finding the Fourth Proportional to 97,679,903.40, 146,687,816.70 and 69,126,431.40

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Solution

The fourth proportional to 97,679,903.40, 146,687,816.70 and 69,126,431.40 is: 103,808,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,679,903.40 : 146,687,816.70 = 69,126,431.40 : x
  2. Step 2: Convert to fraction form
    97,679,903.40/146,687,816.70 = 69,126,431.40/x
  3. Step 3: Cross multiply
    97,679,903.40x = 146,687,816.70 × 69,126,431.40
  4. Step 4: Simplify right side
    97,679,903.40x = 10,140,005,298,328,324
  5. Step 5: Solve for x
    x = 10,140,005,298,328,324/97,679,903.40
  6. Step 6: Final answer
    x = 103,808,510.71

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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.