Home / 98,330,679.60-147,496,019.40-68,072,708.40

Finding the Fourth Proportional to 98,330,679.60, 147,496,019.40 and 68,072,708.40

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Solution

The fourth proportional to 98,330,679.60, 147,496,019.40 and 68,072,708.40 is: 102,109,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,330,679.60 : 147,496,019.40 = 68,072,708.40 : x
  2. Step 2: Convert to fraction form
    98,330,679.60/147,496,019.40 = 68,072,708.40/x
  3. Step 3: Cross multiply
    98,330,679.60x = 147,496,019.40 × 68,072,708.40
  4. Step 4: Simplify right side
    98,330,679.60x = 10,040,453,518,776,944
  5. Step 5: Solve for x
    x = 10,040,453,518,776,944/98,330,679.60
  6. Step 6: Final answer
    x = 102,109,062.60

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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.