Home / 90,288,710.64-124,606,105.28-51,137,452.17

Finding the Fourth Proportional to 90,288,710.64, 124,606,105.28 and 51,137,452.17

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Solution

The fourth proportional to 90,288,710.64, 124,606,105.28 and 51,137,452.17 is: 70,574,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288,710.64 : 124,606,105.28 = 51,137,452.17 : x
  2. Step 2: Convert to fraction form
    90,288,710.64/124,606,105.28 = 51,137,452.17/x
  3. Step 3: Cross multiply
    90,288,710.64x = 124,606,105.28 × 51,137,452.17
  4. Step 4: Simplify right side
    90,288,710.64x = 6,372,038,748,782,063
  5. Step 5: Solve for x
    x = 6,372,038,748,782,063/90,288,710.64
  6. Step 6: Final answer
    x = 70,574,036.37

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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.