Home / 90,708,595.31-125,188,488.68-51,556,257.35

Finding the Fourth Proportional to 90,708,595.31, 125,188,488.68 and 51,556,257.35

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Solution

The fourth proportional to 90,708,595.31, 125,188,488.68 and 51,556,257.35 is: 71,153,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,595.31 : 125,188,488.68 = 51,556,257.35 : x
  2. Step 2: Convert to fraction form
    90,708,595.31/125,188,488.68 = 51,556,257.35/x
  3. Step 3: Cross multiply
    90,708,595.31x = 125,188,488.68 × 51,556,257.35
  4. Step 4: Simplify right side
    90,708,595.31x = 6,454,249,939,519,637
  5. Step 5: Solve for x
    x = 6,454,249,939,519,637/90,708,595.31
  6. Step 6: Final answer
    x = 71,153,675.32

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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.