Home / 86,361,384.65-119,178,421.47-47,203,138.71

Finding the Fourth Proportional to 86,361,384.65, 119,178,421.47 and 47,203,138.71

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Solution

The fourth proportional to 86,361,384.65, 119,178,421.47 and 47,203,138.71 is: 65,140,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,361,384.65 : 119,178,421.47 = 47,203,138.71 : x
  2. Step 2: Convert to fraction form
    86,361,384.65/119,178,421.47 = 47,203,138.71/x
  3. Step 3: Cross multiply
    86,361,384.65x = 119,178,421.47 × 47,203,138.71
  4. Step 4: Simplify right side
    86,361,384.65x = 5,625,595,559,887,252
  5. Step 5: Solve for x
    x = 5,625,595,559,887,252/86,361,384.65
  6. Step 6: Final answer
    x = 65,140,173.27

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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.