Home / 86,697,046.80-130,026,907.80-38,174,806.80

Finding the Fourth Proportional to 86,697,046.80, 130,026,907.80 and 38,174,806.80

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Solution

The fourth proportional to 86,697,046.80, 130,026,907.80 and 38,174,806.80 is: 57,253,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,697,046.80 : 130,026,907.80 = 38,174,806.80 : x
  2. Step 2: Convert to fraction form
    86,697,046.80/130,026,907.80 = 38,174,806.80/x
  3. Step 3: Cross multiply
    86,697,046.80x = 130,026,907.80 × 38,174,806.80
  4. Step 4: Simplify right side
    86,697,046.80x = 4,963,752,084,066,413
  5. Step 5: Solve for x
    x = 4,963,752,084,066,413/86,697,046.80
  6. Step 6: Final answer
    x = 57,253,992.69

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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.