Home / 127,575,010.60-191,362,515.90-70,179,382.60

Finding the Fourth Proportional to 127,575,010.60, 191,362,515.90 and 70,179,382.60

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Solution

The fourth proportional to 127,575,010.60, 191,362,515.90 and 70,179,382.60 is: 105,269,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,575,010.60 : 191,362,515.90 = 70,179,382.60 : x
  2. Step 2: Convert to fraction form
    127,575,010.60/191,362,515.90 = 70,179,382.60/x
  3. Step 3: Cross multiply
    127,575,010.60x = 191,362,515.90 × 70,179,382.60
  4. Step 4: Simplify right side
    127,575,010.60x = 13,429,703,218,644,682
  5. Step 5: Solve for x
    x = 13,429,703,218,644,682/127,575,010.60
  6. Step 6: Final answer
    x = 105,269,073.90

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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.