Home / 247,147,003.60-370,720,505.40-65,412,552.40

Finding the Fourth Proportional to 247,147,003.60, 370,720,505.40 and 65,412,552.40

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Solution

The fourth proportional to 247,147,003.60, 370,720,505.40 and 65,412,552.40 is: 98,118,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,147,003.60 : 370,720,505.40 = 65,412,552.40 : x
  2. Step 2: Convert to fraction form
    247,147,003.60/370,720,505.40 = 65,412,552.40/x
  3. Step 3: Cross multiply
    247,147,003.60x = 370,720,505.40 × 65,412,552.40
  4. Step 4: Simplify right side
    247,147,003.60x = 24,249,774,485,231,980
  5. Step 5: Solve for x
    x = 24,249,774,485,231,980/247,147,003.60
  6. Step 6: Final answer
    x = 98,118,828.60

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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.