Home / 136,457,498.04-188,402,244.72-80,720,824

Finding the Fourth Proportional to 136,457,498.04, 188,402,244.72 and 80,720,824

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Solution

The fourth proportional to 136,457,498.04, 188,402,244.72 and 80,720,824 is: 111,448,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,457,498.04 : 188,402,244.72 = 80,720,824 : x
  2. Step 2: Convert to fraction form
    136,457,498.04/188,402,244.72 = 80,720,824/x
  3. Step 3: Cross multiply
    136,457,498.04x = 188,402,244.72 × 80,720,824
  4. Step 4: Simplify right side
    136,457,498.04x = 15,207,984,437,248,050
  5. Step 5: Solve for x
    x = 15,207,984,437,248,050/136,457,498.04
  6. Step 6: Final answer
    x = 111,448,507.09

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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.