Home / 72,420,097.95-99,936,694.16-41,060,257.15

Finding the Fourth Proportional to 72,420,097.95, 99,936,694.16 and 41,060,257.15

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Solution

The fourth proportional to 72,420,097.95, 99,936,694.16 and 41,060,257.15 is: 56,661,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,097.95 : 99,936,694.16 = 41,060,257.15 : x
  2. Step 2: Convert to fraction form
    72,420,097.95/99,936,694.16 = 41,060,257.15/x
  3. Step 3: Cross multiply
    72,420,097.95x = 99,936,694.16 × 41,060,257.15
  4. Step 4: Simplify right side
    72,420,097.95x = 4,103,426,360,430,820
  5. Step 5: Solve for x
    x = 4,103,426,360,430,820/72,420,097.95
  6. Step 6: Final answer
    x = 56,661,430.69

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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.