Home / 98,687,999.20-148,031,998.80-97,008,383.20

Finding the Fourth Proportional to 98,687,999.20, 148,031,998.80 and 97,008,383.20

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Solution

The fourth proportional to 98,687,999.20, 148,031,998.80 and 97,008,383.20 is: 145,512,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687,999.20 : 148,031,998.80 = 97,008,383.20 : x
  2. Step 2: Convert to fraction form
    98,687,999.20/148,031,998.80 = 97,008,383.20/x
  3. Step 3: Cross multiply
    98,687,999.20x = 148,031,998.80 × 97,008,383.20
  4. Step 4: Simplify right side
    98,687,999.20x = 14,360,344,865,452,342
  5. Step 5: Solve for x
    x = 14,360,344,865,452,342/98,687,999.20
  6. Step 6: Final answer
    x = 145,512,574.80

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1.5x scale

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.