Home / 86,629,587.30-129,881,395.35-35,485,280.10

Finding the Fourth Proportional to 86,629,587.30, 129,881,395.35 and 35,485,280.10

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Solution

The fourth proportional to 86,629,587.30, 129,881,395.35 and 35,485,280.10 is: 53,202,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629,587.30 : 129,881,395.35 = 35,485,280.10 : x
  2. Step 2: Convert to fraction form
    86,629,587.30/129,881,395.35 = 35,485,280.10/x
  3. Step 3: Cross multiply
    86,629,587.30x = 129,881,395.35 × 35,485,280.10
  4. Step 4: Simplify right side
    86,629,587.30x = 4,608,877,693,773,588
  5. Step 5: Solve for x
    x = 4,608,877,693,773,588/86,629,587.30
  6. Step 6: Final answer
    x = 53,202,119.94

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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.