Home / 60,687,713.20-91,031,569.80-60,309,799.60

Finding the Fourth Proportional to 60,687,713.20, 91,031,569.80 and 60,309,799.60

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Solution

The fourth proportional to 60,687,713.20, 91,031,569.80 and 60,309,799.60 is: 90,464,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,687,713.20 : 91,031,569.80 = 60,309,799.60 : x
  2. Step 2: Convert to fraction form
    60,687,713.20/91,031,569.80 = 60,309,799.60/x
  3. Step 3: Cross multiply
    60,687,713.20x = 91,031,569.80 × 60,309,799.60
  4. Step 4: Simplify right side
    60,687,713.20x = 5,490,095,731,911,412
  5. Step 5: Solve for x
    x = 5,490,095,731,911,412/60,687,713.20
  6. Step 6: Final answer
    x = 90,464,699.40

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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.