Home / 91,868,932.35-126,779,068.89-50,615,824.32

Finding the Fourth Proportional to 91,868,932.35, 126,779,068.89 and 50,615,824.32

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Solution

The fourth proportional to 91,868,932.35, 126,779,068.89 and 50,615,824.32 is: 69,849,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868,932.35 : 126,779,068.89 = 50,615,824.32 : x
  2. Step 2: Convert to fraction form
    91,868,932.35/126,779,068.89 = 50,615,824.32/x
  3. Step 3: Cross multiply
    91,868,932.35x = 126,779,068.89 × 50,615,824.32
  4. Step 4: Simplify right side
    91,868,932.35x = 6,417,027,078,389,417
  5. Step 5: Solve for x
    x = 6,417,027,078,389,417/91,868,932.35
  6. Step 6: Final answer
    x = 69,849,805.74

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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.