Home / 86,720,428.64-130,092,540.32-50,345,894.72

Finding the Fourth Proportional to 86,720,428.64, 130,092,540.32 and 50,345,894.72

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Solution

The fourth proportional to 86,720,428.64, 130,092,540.32 and 50,345,894.72 is: 75,525,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720,428.64 : 130,092,540.32 = 50,345,894.72 : x
  2. Step 2: Convert to fraction form
    86,720,428.64/130,092,540.32 = 50,345,894.72/x
  3. Step 3: Cross multiply
    86,720,428.64x = 130,092,540.32 × 50,345,894.72
  4. Step 4: Simplify right side
    86,720,428.64x = 6,549,625,338,808,075
  5. Step 5: Solve for x
    x = 6,549,625,338,808,075/86,720,428.64
  6. Step 6: Final answer
    x = 75,525,749.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.