Home / 97,176,931.20-145,653,422.40-39,631,420.80

Finding the Fourth Proportional to 97,176,931.20, 145,653,422.40 and 39,631,420.80

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Solution

The fourth proportional to 97,176,931.20, 145,653,422.40 and 39,631,420.80 is: 59,401,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,176,931.20 : 145,653,422.40 = 39,631,420.80 : x
  2. Step 2: Convert to fraction form
    97,176,931.20/145,653,422.40 = 39,631,420.80/x
  3. Step 3: Cross multiply
    97,176,931.20x = 145,653,422.40 × 39,631,420.80
  4. Step 4: Simplify right side
    97,176,931.20x = 5,772,452,074,094,546
  5. Step 5: Solve for x
    x = 5,772,452,074,094,546/97,176,931.20
  6. Step 6: Final answer
    x = 59,401,464.97

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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.