Home / 65,200,619.20-97,800,928.80-64,244,025.40

Finding the Fourth Proportional to 65,200,619.20, 97,800,928.80 and 64,244,025.40

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Solution

The fourth proportional to 65,200,619.20, 97,800,928.80 and 64,244,025.40 is: 96,366,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,619.20 : 97,800,928.80 = 64,244,025.40 : x
  2. Step 2: Convert to fraction form
    65,200,619.20/97,800,928.80 = 64,244,025.40/x
  3. Step 3: Cross multiply
    65,200,619.20x = 97,800,928.80 × 64,244,025.40
  4. Step 4: Simplify right side
    65,200,619.20x = 6,283,125,353,970,791
  5. Step 5: Solve for x
    x = 6,283,125,353,970,791/65,200,619.20
  6. Step 6: Final answer
    x = 96,366,038.10

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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.