Home / 65,202,002.80-97,803,004.20-19,757,892.40

Finding the Fourth Proportional to 65,202,002.80, 97,803,004.20 and 19,757,892.40

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Solution

The fourth proportional to 65,202,002.80, 97,803,004.20 and 19,757,892.40 is: 29,636,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,202,002.80 : 97,803,004.20 = 19,757,892.40 : x
  2. Step 2: Convert to fraction form
    65,202,002.80/97,803,004.20 = 19,757,892.40/x
  3. Step 3: Cross multiply
    65,202,002.80x = 97,803,004.20 × 19,757,892.40
  4. Step 4: Simplify right side
    65,202,002.80x = 1,932,381,233,380,348
  5. Step 5: Solve for x
    x = 1,932,381,233,380,348/65,202,002.80
  6. Step 6: Final answer
    x = 29,636,838.60

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1.5x scale

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.