Home / 86,894,495.25-119,913,826.50-47,201,665.20

Finding the Fourth Proportional to 86,894,495.25, 119,913,826.50 and 47,201,665.20

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Solution

The fourth proportional to 86,894,495.25, 119,913,826.50 and 47,201,665.20 is: 65,137,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,894,495.25 : 119,913,826.50 = 47,201,665.20 : x
  2. Step 2: Convert to fraction form
    86,894,495.25/119,913,826.50 = 47,201,665.20/x
  3. Step 3: Cross multiply
    86,894,495.25x = 119,913,826.50 × 47,201,665.20
  4. Step 4: Simplify right side
    86,894,495.25x = 5,660,132,291,303,888
  5. Step 5: Solve for x
    x = 5,660,132,291,303,888/86,894,495.25
  6. Step 6: Final answer
    x = 65,137,984.58

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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.