Home / 153,391,602.24-211,684,994.88-83,780,267.04

Finding the Fourth Proportional to 153,391,602.24, 211,684,994.88 and 83,780,267.04

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Solution

The fourth proportional to 153,391,602.24, 211,684,994.88 and 83,780,267.04 is: 115,619,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,391,602.24 : 211,684,994.88 = 83,780,267.04 : x
  2. Step 2: Convert to fraction form
    153,391,602.24/211,684,994.88 = 83,780,267.04/x
  3. Step 3: Cross multiply
    153,391,602.24x = 211,684,994.88 × 83,780,267.04
  4. Step 4: Simplify right side
    153,391,602.24x = 17,735,025,399,407,434
  5. Step 5: Solve for x
    x = 17,735,025,399,407,434/153,391,602.24
  6. Step 6: Final answer
    x = 115,619,272.11

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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.