Home / 98,172,021.60-147,258,032.40-70,962,242.40

Finding the Fourth Proportional to 98,172,021.60, 147,258,032.40 and 70,962,242.40

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Solution

The fourth proportional to 98,172,021.60, 147,258,032.40 and 70,962,242.40 is: 106,443,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,172,021.60 : 147,258,032.40 = 70,962,242.40 : x
  2. Step 2: Convert to fraction form
    98,172,021.60/147,258,032.40 = 70,962,242.40/x
  3. Step 3: Cross multiply
    98,172,021.60x = 147,258,032.40 × 70,962,242.40
  4. Step 4: Simplify right side
    98,172,021.60x = 10,449,760,190,515,856
  5. Step 5: Solve for x
    x = 10,449,760,190,515,856/98,172,021.60
  6. Step 6: Final answer
    x = 106,443,363.60

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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.