Home / 97,723,374.40-146,585,061.60-74,765,123.20

Finding the Fourth Proportional to 97,723,374.40, 146,585,061.60 and 74,765,123.20

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Solution

The fourth proportional to 97,723,374.40, 146,585,061.60 and 74,765,123.20 is: 112,147,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,723,374.40 : 146,585,061.60 = 74,765,123.20 : x
  2. Step 2: Convert to fraction form
    97,723,374.40/146,585,061.60 = 74,765,123.20/x
  3. Step 3: Cross multiply
    97,723,374.40x = 146,585,061.60 × 74,765,123.20
  4. Step 4: Simplify right side
    97,723,374.40x = 10,959,450,189,803,590
  5. Step 5: Solve for x
    x = 10,959,450,189,803,590/97,723,374.40
  6. Step 6: Final answer
    x = 112,147,684.80

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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.