Home / 67,019,718.89-92,494,701.08-40,572,644.66

Finding the Fourth Proportional to 67,019,718.89, 92,494,701.08 and 40,572,644.66

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Solution

The fourth proportional to 67,019,718.89, 92,494,701.08 and 40,572,644.66 is: 55,994,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019,718.89 : 92,494,701.08 = 40,572,644.66 : x
  2. Step 2: Convert to fraction form
    67,019,718.89/92,494,701.08 = 40,572,644.66/x
  3. Step 3: Cross multiply
    67,019,718.89x = 92,494,701.08 × 40,572,644.66
  4. Step 4: Simplify right side
    67,019,718.89x = 3,752,754,639,186,421.50
  5. Step 5: Solve for x
    x = 3,752,754,639,186,421.50/67,019,718.89
  6. Step 6: Final answer
    x = 55,994,783.35

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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.