Home / 74,445,708.80-111,668,563.20-57,227,020.40

Finding the Fourth Proportional to 74,445,708.80, 111,668,563.20 and 57,227,020.40

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Solution

The fourth proportional to 74,445,708.80, 111,668,563.20 and 57,227,020.40 is: 85,840,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445,708.80 : 111,668,563.20 = 57,227,020.40 : x
  2. Step 2: Convert to fraction form
    74,445,708.80/111,668,563.20 = 57,227,020.40/x
  3. Step 3: Cross multiply
    74,445,708.80x = 111,668,563.20 × 57,227,020.40
  4. Step 4: Simplify right side
    74,445,708.80x = 6,390,459,144,285,089
  5. Step 5: Solve for x
    x = 6,390,459,144,285,089/74,445,708.80
  6. Step 6: Final answer
    x = 85,840,530.60

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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.