Home / 144,357,427.76-216,449,667.05-45,946,625.72

Finding the Fourth Proportional to 144,357,427.76, 216,449,667.05 and 45,946,625.72

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Solution

The fourth proportional to 144,357,427.76, 216,449,667.05 and 45,946,625.72 is: 68,892,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,357,427.76 : 216,449,667.05 = 45,946,625.72 : x
  2. Step 2: Convert to fraction form
    144,357,427.76/216,449,667.05 = 45,946,625.72/x
  3. Step 3: Cross multiply
    144,357,427.76x = 216,449,667.05 × 45,946,625.72
  4. Step 4: Simplify right side
    144,357,427.76x = 9,945,131,837,852,986
  5. Step 5: Solve for x
    x = 9,945,131,837,852,986/144,357,427.76
  6. Step 6: Final answer
    x = 68,892,415.12

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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.