Home / 127,756,261.40-191,662,385.70-41,479,986.20

Finding the Fourth Proportional to 127,756,261.40, 191,662,385.70 and 41,479,986.20

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Solution

The fourth proportional to 127,756,261.40, 191,662,385.70 and 41,479,986.20 is: 62,229,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,756,261.40 : 191,662,385.70 = 41,479,986.20 : x
  2. Step 2: Convert to fraction form
    127,756,261.40/191,662,385.70 = 41,479,986.20/x
  3. Step 3: Cross multiply
    127,756,261.40x = 191,662,385.70 × 41,479,986.20
  4. Step 4: Simplify right side
    127,756,261.40x = 7,950,153,113,895,077
  5. Step 5: Solve for x
    x = 7,950,153,113,895,077/127,756,261.40
  6. Step 6: Final answer
    x = 62,229,068.28

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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.