Home / 78,521,226.40-108,357,180.48-43,713,916.12

Finding the Fourth Proportional to 78,521,226.40, 108,357,180.48 and 43,713,916.12

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Solution

The fourth proportional to 78,521,226.40, 108,357,180.48 and 43,713,916.12 is: 60,324,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,521,226.40 : 108,357,180.48 = 43,713,916.12 : x
  2. Step 2: Convert to fraction form
    78,521,226.40/108,357,180.48 = 43,713,916.12/x
  3. Step 3: Cross multiply
    78,521,226.40x = 108,357,180.48 × 43,713,916.12
  4. Step 4: Simplify right side
    78,521,226.40x = 4,736,716,698,502,421
  5. Step 5: Solve for x
    x = 4,736,716,698,502,421/78,521,226.40
  6. Step 6: Final answer
    x = 60,324,028.49

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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.