Home / 86,933,959.40-130,400,939.10-26,341,812.20

Finding the Fourth Proportional to 86,933,959.40, 130,400,939.10 and 26,341,812.20

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Solution

The fourth proportional to 86,933,959.40, 130,400,939.10 and 26,341,812.20 is: 39,512,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,933,959.40 : 130,400,939.10 = 26,341,812.20 : x
  2. Step 2: Convert to fraction form
    86,933,959.40/130,400,939.10 = 26,341,812.20/x
  3. Step 3: Cross multiply
    86,933,959.40x = 130,400,939.10 × 26,341,812.20
  4. Step 4: Simplify right side
    86,933,959.40x = 3,434,997,048,475,837
  5. Step 5: Solve for x
    x = 3,434,997,048,475,837/86,933,959.40
  6. Step 6: Final answer
    x = 39,512,718.30

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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.