Home / 145,200,044.88-200,376,080.64-79,120,553.76

Finding the Fourth Proportional to 145,200,044.88, 200,376,080.64 and 79,120,553.76

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Solution

The fourth proportional to 145,200,044.88, 200,376,080.64 and 79,120,553.76 is: 109,186,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,200,044.88 : 200,376,080.64 = 79,120,553.76 : x
  2. Step 2: Convert to fraction form
    145,200,044.88/200,376,080.64 = 79,120,553.76/x
  3. Step 3: Cross multiply
    145,200,044.88x = 200,376,080.64 × 79,120,553.76
  4. Step 4: Simplify right side
    145,200,044.88x = 15,853,866,460,495,216
  5. Step 5: Solve for x
    x = 15,853,866,460,495,216/145,200,044.88
  6. Step 6: Final answer
    x = 109,186,374.38

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1.5x scale

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.