Home / 63,731,372,890.61-87,988,986,151.19-40,569,655,197.18

Finding the Fourth Proportional to 63,731,372,890.61, 87,988,986,151.19 and 40,569,655,197.18

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Solution

The fourth proportional to 63,731,372,890.61, 87,988,986,151.19 and 40,569,655,197.18 is: 56,011,390,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,731,372,890.61 : 87,988,986,151.19 = 40,569,655,197.18 : x
  2. Step 2: Convert to fraction form
    63,731,372,890.61/87,988,986,151.19 = 40,569,655,197.18/x
  3. Step 3: Cross multiply
    63,731,372,890.61x = 87,988,986,151.19 × 40,569,655,197.18
  4. Step 4: Simplify right side
    63,731,372,890.61x = 3,569,682,829,303,021,568,000
  5. Step 5: Solve for x
    x = 3,569,682,829,303,021,568,000/63,731,372,890.61
  6. Step 6: Final answer
    x = 56,011,390,738.91

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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.