Home / 83,075,881.80-124,613,822.70-28,481,144.70

Finding the Fourth Proportional to 83,075,881.80, 124,613,822.70 and 28,481,144.70

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Solution

The fourth proportional to 83,075,881.80, 124,613,822.70 and 28,481,144.70 is: 42,721,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,075,881.80 : 124,613,822.70 = 28,481,144.70 : x
  2. Step 2: Convert to fraction form
    83,075,881.80/124,613,822.70 = 28,481,144.70/x
  3. Step 3: Cross multiply
    83,075,881.80x = 124,613,822.70 × 28,481,144.70
  4. Step 4: Simplify right side
    83,075,881.80x = 3,549,144,315,938,844.50
  5. Step 5: Solve for x
    x = 3,549,144,315,938,844.50/83,075,881.80
  6. Step 6: Final answer
    x = 42,721,717.05

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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.