Home / 52,613,128.80-78,807,718.80-43,655,176.80

Finding the Fourth Proportional to 52,613,128.80, 78,807,718.80 and 43,655,176.80

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Solution

The fourth proportional to 52,613,128.80, 78,807,718.80 and 43,655,176.80 is: 65,389,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613,128.80 : 78,807,718.80 = 43,655,176.80 : x
  2. Step 2: Convert to fraction form
    52,613,128.80/78,807,718.80 = 43,655,176.80/x
  3. Step 3: Cross multiply
    52,613,128.80x = 78,807,718.80 × 43,655,176.80
  4. Step 4: Simplify right side
    52,613,128.80x = 3,440,364,897,418,683.50
  5. Step 5: Solve for x
    x = 3,440,364,897,418,683.50/52,613,128.80
  6. Step 6: Final answer
    x = 65,389,855.65

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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.