Home / 70,123,278.06-96,779,736.63-40,353,314.58

Finding the Fourth Proportional to 70,123,278.06, 96,779,736.63 and 40,353,314.58

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Solution

The fourth proportional to 70,123,278.06, 96,779,736.63 and 40,353,314.58 is: 55,693,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,123,278.06 : 96,779,736.63 = 40,353,314.58 : x
  2. Step 2: Convert to fraction form
    70,123,278.06/96,779,736.63 = 40,353,314.58/x
  3. Step 3: Cross multiply
    70,123,278.06x = 96,779,736.63 × 40,353,314.58
  4. Step 4: Simplify right side
    70,123,278.06x = 3,905,383,157,199,938.50
  5. Step 5: Solve for x
    x = 3,905,383,157,199,938.50/70,123,278.06
  6. Step 6: Final answer
    x = 55,693,105.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.