Home / 86,219,999.60-129,329,999.40-38,350,943.60

Finding the Fourth Proportional to 86,219,999.60, 129,329,999.40 and 38,350,943.60

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Solution

The fourth proportional to 86,219,999.60, 129,329,999.40 and 38,350,943.60 is: 57,526,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,219,999.60 : 129,329,999.40 = 38,350,943.60 : x
  2. Step 2: Convert to fraction form
    86,219,999.60/129,329,999.40 = 38,350,943.60/x
  3. Step 3: Cross multiply
    86,219,999.60x = 129,329,999.40 × 38,350,943.60
  4. Step 4: Simplify right side
    86,219,999.60x = 4,959,927,512,777,434
  5. Step 5: Solve for x
    x = 4,959,927,512,777,434/86,219,999.60
  6. Step 6: Final answer
    x = 57,526,415.40

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1.5x scale

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.