Home / 117,563,007.64-175,960,696.32-86,430,446.04

Finding the Fourth Proportional to 117,563,007.64, 175,960,696.32 and 86,430,446.04

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Solution

The fourth proportional to 117,563,007.64, 175,960,696.32 and 86,430,446.04 is: 129,363,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,563,007.64 : 175,960,696.32 = 86,430,446.04 : x
  2. Step 2: Convert to fraction form
    117,563,007.64/175,960,696.32 = 86,430,446.04/x
  3. Step 3: Cross multiply
    117,563,007.64x = 175,960,696.32 × 86,430,446.04
  4. Step 4: Simplify right side
    117,563,007.64x = 15,208,361,468,446,588
  5. Step 5: Solve for x
    x = 15,208,361,468,446,588/117,563,007.64
  6. Step 6: Final answer
    x = 129,363,494.30

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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.