Home / 97,121,480.40-145,682,220.60-75,438,687.60

Finding the Fourth Proportional to 97,121,480.40, 145,682,220.60 and 75,438,687.60

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Solution

The fourth proportional to 97,121,480.40, 145,682,220.60 and 75,438,687.60 is: 113,158,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,121,480.40 : 145,682,220.60 = 75,438,687.60 : x
  2. Step 2: Convert to fraction form
    97,121,480.40/145,682,220.60 = 75,438,687.60/x
  3. Step 3: Cross multiply
    97,121,480.40x = 145,682,220.60 × 75,438,687.60
  4. Step 4: Simplify right side
    97,121,480.40x = 10,990,075,528,717,684
  5. Step 5: Solve for x
    x = 10,990,075,528,717,684/97,121,480.40
  6. Step 6: Final answer
    x = 113,158,031.40

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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.