Home / 137,557,307.52-189,750,254.40-85,959,504

Finding the Fourth Proportional to 137,557,307.52, 189,750,254.40 and 85,959,504

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Solution

The fourth proportional to 137,557,307.52, 189,750,254.40 and 85,959,504 is: 118,574,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,557,307.52 : 189,750,254.40 = 85,959,504 : x
  2. Step 2: Convert to fraction form
    137,557,307.52/189,750,254.40 = 85,959,504/x
  3. Step 3: Cross multiply
    137,557,307.52x = 189,750,254.40 × 85,959,504
  4. Step 4: Simplify right side
    137,557,307.52x = 16,310,837,752,097,818
  5. Step 5: Solve for x
    x = 16,310,837,752,097,818/137,557,307.52
  6. Step 6: Final answer
    x = 118,574,854.70

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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.