Home / 209,952,351.90-314,928,527.85-73,620,020.70

Finding the Fourth Proportional to 209,952,351.90, 314,928,527.85 and 73,620,020.70

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Solution

The fourth proportional to 209,952,351.90, 314,928,527.85 and 73,620,020.70 is: 110,430,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,351.90 : 314,928,527.85 = 73,620,020.70 : x
  2. Step 2: Convert to fraction form
    209,952,351.90/314,928,527.85 = 73,620,020.70/x
  3. Step 3: Cross multiply
    209,952,351.90x = 314,928,527.85 × 73,620,020.70
  4. Step 4: Simplify right side
    209,952,351.90x = 23,185,044,739,337,528
  5. Step 5: Solve for x
    x = 23,185,044,739,337,528/209,952,351.90
  6. Step 6: Final answer
    x = 110,430,031.05

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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.