Home / 70,442,678.40-97,199,933.41-40,266,744.51

Finding the Fourth Proportional to 70,442,678.40, 97,199,933.41 and 40,266,744.51

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Solution

The fourth proportional to 70,442,678.40, 97,199,933.41 and 40,266,744.51 is: 55,561,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,442,678.40 : 97,199,933.41 = 40,266,744.51 : x
  2. Step 2: Convert to fraction form
    70,442,678.40/97,199,933.41 = 40,266,744.51/x
  3. Step 3: Cross multiply
    70,442,678.40x = 97,199,933.41 × 40,266,744.51
  4. Step 4: Simplify right side
    70,442,678.40x = 3,913,924,884,981,047.50
  5. Step 5: Solve for x
    x = 3,913,924,884,981,047.50/70,442,678.40
  6. Step 6: Final answer
    x = 55,561,840.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.