Home / 65,553,965.20-98,330,947.80-53,437,110.40

Finding the Fourth Proportional to 65,553,965.20, 98,330,947.80 and 53,437,110.40

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Solution

The fourth proportional to 65,553,965.20, 98,330,947.80 and 53,437,110.40 is: 80,155,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,553,965.20 : 98,330,947.80 = 53,437,110.40 : x
  2. Step 2: Convert to fraction form
    65,553,965.20/98,330,947.80 = 53,437,110.40/x
  3. Step 3: Cross multiply
    65,553,965.20x = 98,330,947.80 × 53,437,110.40
  4. Step 4: Simplify right side
    65,553,965.20x = 5,254,521,713,325,237
  5. Step 5: Solve for x
    x = 5,254,521,713,325,237/65,553,965.20
  6. Step 6: Final answer
    x = 80,155,665.60

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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.