Home / 113,921,111.54-157,207,886.01-66,877,428.53

Finding the Fourth Proportional to 113,921,111.54, 157,207,886.01 and 66,877,428.53

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Solution

The fourth proportional to 113,921,111.54, 157,207,886.01 and 66,877,428.53 is: 92,288,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,921,111.54 : 157,207,886.01 = 66,877,428.53 : x
  2. Step 2: Convert to fraction form
    113,921,111.54/157,207,886.01 = 66,877,428.53/x
  3. Step 3: Cross multiply
    113,921,111.54x = 157,207,886.01 × 66,877,428.53
  4. Step 4: Simplify right side
    113,921,111.54x = 10,513,659,160,986,162
  5. Step 5: Solve for x
    x = 10,513,659,160,986,162/113,921,111.54
  6. Step 6: Final answer
    x = 92,288,944.68

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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.