Home / 144,104,197.75-198,863,886.72-78,024,740.77

Finding the Fourth Proportional to 144,104,197.75, 198,863,886.72 and 78,024,740.77

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Solution

The fourth proportional to 144,104,197.75, 198,863,886.72 and 78,024,740.77 is: 107,674,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,104,197.75 : 198,863,886.72 = 78,024,740.77 : x
  2. Step 2: Convert to fraction form
    144,104,197.75/198,863,886.72 = 78,024,740.77/x
  3. Step 3: Cross multiply
    144,104,197.75x = 198,863,886.72 × 78,024,740.77
  4. Step 4: Simplify right side
    144,104,197.75x = 15,516,303,209,345,486
  5. Step 5: Solve for x
    x = 15,516,303,209,345,486/144,104,197.75
  6. Step 6: Final answer
    x = 107,674,193.06

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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.