Home / 90,288,560.82-124,605,898.16-51,137,302.36

Finding the Fourth Proportional to 90,288,560.82, 124,605,898.16 and 51,137,302.36

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Solution

The fourth proportional to 90,288,560.82, 124,605,898.16 and 51,137,302.36 is: 70,573,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288,560.82 : 124,605,898.16 = 51,137,302.36 : x
  2. Step 2: Convert to fraction form
    90,288,560.82/124,605,898.16 = 51,137,302.36/x
  3. Step 3: Cross multiply
    90,288,560.82x = 124,605,898.16 × 51,137,302.36
  4. Step 4: Simplify right side
    90,288,560.82x = 6,372,009,490,047,287
  5. Step 5: Solve for x
    x = 6,372,009,490,047,287/90,288,560.82
  6. Step 6: Final answer
    x = 70,573,829.42

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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.