Home / 152,983,770.12-211,111,459.92-83,367,667.26

Finding the Fourth Proportional to 152,983,770.12, 211,111,459.92 and 83,367,667.26

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Solution

The fourth proportional to 152,983,770.12, 211,111,459.92 and 83,367,667.26 is: 115,044,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,983,770.12 : 211,111,459.92 = 83,367,667.26 : x
  2. Step 2: Convert to fraction form
    152,983,770.12/211,111,459.92 = 83,367,667.26/x
  3. Step 3: Cross multiply
    152,983,770.12x = 211,111,459.92 × 83,367,667.26
  4. Step 4: Simplify right side
    152,983,770.12x = 17,599,869,945,383,386
  5. Step 5: Solve for x
    x = 17,599,869,945,383,386/152,983,770.12
  6. Step 6: Final answer
    x = 115,044,033.31

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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.