Home / 134,680,916.96-185,859,720.52-72,801,255.36

Finding the Fourth Proportional to 134,680,916.96, 185,859,720.52 and 72,801,255.36

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Solution

The fourth proportional to 134,680,916.96, 185,859,720.52 and 72,801,255.36 is: 100,465,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680,916.96 : 185,859,720.52 = 72,801,255.36 : x
  2. Step 2: Convert to fraction form
    134,680,916.96/185,859,720.52 = 72,801,255.36/x
  3. Step 3: Cross multiply
    134,680,916.96x = 185,859,720.52 × 72,801,255.36
  4. Step 4: Simplify right side
    134,680,916.96x = 13,530,820,974,714,752
  5. Step 5: Solve for x
    x = 13,530,820,974,714,752/134,680,916.96
  6. Step 6: Final answer
    x = 100,465,762.19

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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.