Home / 70,123,282.56-96,779,742.84-40,353,319.08

Finding the Fourth Proportional to 70,123,282.56, 96,779,742.84 and 40,353,319.08

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Solution

The fourth proportional to 70,123,282.56, 96,779,742.84 and 40,353,319.08 is: 55,693,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,123,282.56 : 96,779,742.84 = 40,353,319.08 : x
  2. Step 2: Convert to fraction form
    70,123,282.56/96,779,742.84 = 40,353,319.08/x
  3. Step 3: Cross multiply
    70,123,282.56x = 96,779,742.84 × 40,353,319.08
  4. Step 4: Simplify right side
    70,123,282.56x = 3,905,383,843,302,865.50
  5. Step 5: Solve for x
    x = 3,905,383,843,302,865.50/70,123,282.56
  6. Step 6: Final answer
    x = 55,693,112.20

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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.