Home / 257,597,655,775.08-386,572,984,147.62-89,905,118,449.56

Finding the Fourth Proportional to 257,597,655,775.08, 386,572,984,147.62 and 89,905,118,449.56

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Solution

The fourth proportional to 257,597,655,775.08, 386,572,984,147.62 and 89,905,118,449.56 is: 134,919,278,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,597,655,775.08 : 386,572,984,147.62 = 89,905,118,449.56 : x
  2. Step 2: Convert to fraction form
    257,597,655,775.08/386,572,984,147.62 = 89,905,118,449.56/x
  3. Step 3: Cross multiply
    257,597,655,775.08x = 386,572,984,147.62 × 89,905,118,449.56
  4. Step 4: Simplify right side
    257,597,655,775.08x = 34,754,889,929,191,652,851,712
  5. Step 5: Solve for x
    x = 34,754,889,929,191,652,851,712/257,597,655,775.08
  6. Step 6: Final answer
    x = 134,919,278,766.80

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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.