Home / 81,938,678.68-113,075,498.16-46,656,512.54

Finding the Fourth Proportional to 81,938,678.68, 113,075,498.16 and 46,656,512.54

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Solution

The fourth proportional to 81,938,678.68, 113,075,498.16 and 46,656,512.54 is: 64,386,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,678.68 : 113,075,498.16 = 46,656,512.54 : x
  2. Step 2: Convert to fraction form
    81,938,678.68/113,075,498.16 = 46,656,512.54/x
  3. Step 3: Cross multiply
    81,938,678.68x = 113,075,498.16 × 46,656,512.54
  4. Step 4: Simplify right side
    81,938,678.68x = 5,275,708,397,868,787
  5. Step 5: Solve for x
    x = 5,275,708,397,868,787/81,938,678.68
  6. Step 6: Final answer
    x = 64,386,056.54

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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.