Home / 70,216,657.20-105,324,985.80-61,713,601.20

Finding the Fourth Proportional to 70,216,657.20, 105,324,985.80 and 61,713,601.20

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Solution

The fourth proportional to 70,216,657.20, 105,324,985.80 and 61,713,601.20 is: 92,570,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,216,657.20 : 105,324,985.80 = 61,713,601.20 : x
  2. Step 2: Convert to fraction form
    70,216,657.20/105,324,985.80 = 61,713,601.20/x
  3. Step 3: Cross multiply
    70,216,657.20x = 105,324,985.80 × 61,713,601.20
  4. Step 4: Simplify right side
    70,216,657.20x = 6,499,984,170,056,863
  5. Step 5: Solve for x
    x = 6,499,984,170,056,863/70,216,657.20
  6. Step 6: Final answer
    x = 92,570,401.80

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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.