Home / 86,779,945.21-119,750,428.52-47,624,244.23

Finding the Fourth Proportional to 86,779,945.21, 119,750,428.52 and 47,624,244.23

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Solution

The fourth proportional to 86,779,945.21, 119,750,428.52 and 47,624,244.23 is: 65,718,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,779,945.21 : 119,750,428.52 = 47,624,244.23 : x
  2. Step 2: Convert to fraction form
    86,779,945.21/119,750,428.52 = 47,624,244.23/x
  3. Step 3: Cross multiply
    86,779,945.21x = 119,750,428.52 × 47,624,244.23
  4. Step 4: Simplify right side
    86,779,945.21x = 5,703,023,653,646,764
  5. Step 5: Solve for x
    x = 5,703,023,653,646,764/86,779,945.21
  6. Step 6: Final answer
    x = 65,718,221.41

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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.