Home / 88,130,031.61-121,581,714.22-55,032,820.05

Finding the Fourth Proportional to 88,130,031.61, 121,581,714.22 and 55,032,820.05

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Solution

The fourth proportional to 88,130,031.61, 121,581,714.22 and 55,032,820.05 is: 75,921,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130,031.61 : 121,581,714.22 = 55,032,820.05 : x
  2. Step 2: Convert to fraction form
    88,130,031.61/121,581,714.22 = 55,032,820.05/x
  3. Step 3: Cross multiply
    88,130,031.61x = 121,581,714.22 × 55,032,820.05
  4. Step 4: Simplify right side
    88,130,031.61x = 6,690,984,599,674,238
  5. Step 5: Solve for x
    x = 6,690,984,599,674,238/88,130,031.61
  6. Step 6: Final answer
    x = 75,921,731.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.