Home / 115,831,085.52-159,787,773-73,971,149.52

Finding the Fourth Proportional to 115,831,085.52, 159,787,773 and 73,971,149.52

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Solution

The fourth proportional to 115,831,085.52, 159,787,773 and 73,971,149.52 is: 102,042,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,831,085.52 : 159,787,773 = 73,971,149.52 : x
  2. Step 2: Convert to fraction form
    115,831,085.52/159,787,773 = 73,971,149.52/x
  3. Step 3: Cross multiply
    115,831,085.52x = 159,787,773 × 73,971,149.52
  4. Step 4: Simplify right side
    115,831,085.52x = 11,819,685,248,050,818
  5. Step 5: Solve for x
    x = 11,819,685,248,050,818/115,831,085.52
  6. Step 6: Final answer
    x = 102,042,428.38

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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.