Home / 70,656,107.20-105,984,160.80-65,554,273.60

Finding the Fourth Proportional to 70,656,107.20, 105,984,160.80 and 65,554,273.60

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Solution

The fourth proportional to 70,656,107.20, 105,984,160.80 and 65,554,273.60 is: 98,331,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,107.20 : 105,984,160.80 = 65,554,273.60 : x
  2. Step 2: Convert to fraction form
    70,656,107.20/105,984,160.80 = 65,554,273.60/x
  3. Step 3: Cross multiply
    70,656,107.20x = 105,984,160.80 × 65,554,273.60
  4. Step 4: Simplify right side
    70,656,107.20x = 6,947,714,674,349,595
  5. Step 5: Solve for x
    x = 6,947,714,674,349,595/70,656,107.20
  6. Step 6: Final answer
    x = 98,331,410.40

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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.