Home / 132,949,490.40-183,469,595.40-77,208,616.80

Finding the Fourth Proportional to 132,949,490.40, 183,469,595.40 and 77,208,616.80

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Solution

The fourth proportional to 132,949,490.40, 183,469,595.40 and 77,208,616.80 is: 106,547,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,949,490.40 : 183,469,595.40 = 77,208,616.80 : x
  2. Step 2: Convert to fraction form
    132,949,490.40/183,469,595.40 = 77,208,616.80/x
  3. Step 3: Cross multiply
    132,949,490.40x = 183,469,595.40 × 77,208,616.80
  4. Step 4: Simplify right side
    132,949,490.40x = 14,165,433,685,689,642
  5. Step 5: Solve for x
    x = 14,165,433,685,689,642/132,949,490.40
  6. Step 6: Final answer
    x = 106,547,483.88

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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.