Home / 107,660,400.60-161,298,144.90-65,518,368.60

Finding the Fourth Proportional to 107,660,400.60, 161,298,144.90 and 65,518,368.60

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Solution

The fourth proportional to 107,660,400.60, 161,298,144.90 and 65,518,368.60 is: 98,160,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,660,400.60 : 161,298,144.90 = 65,518,368.60 : x
  2. Step 2: Convert to fraction form
    107,660,400.60/161,298,144.90 = 65,518,368.60/x
  3. Step 3: Cross multiply
    107,660,400.60x = 161,298,144.90 × 65,518,368.60
  4. Step 4: Simplify right side
    107,660,400.60x = 10,567,991,312,054,410
  5. Step 5: Solve for x
    x = 10,567,991,312,054,410/107,660,400.60
  6. Step 6: Final answer
    x = 98,160,430.88

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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.