Home / 55,391,059.47-83,012,314.59-43,109,851.62

Finding the Fourth Proportional to 55,391,059.47, 83,012,314.59 and 43,109,851.62

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Solution

The fourth proportional to 55,391,059.47, 83,012,314.59 and 43,109,851.62 is: 64,606,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,391,059.47 : 83,012,314.59 = 43,109,851.62 : x
  2. Step 2: Convert to fraction form
    55,391,059.47/83,012,314.59 = 43,109,851.62/x
  3. Step 3: Cross multiply
    55,391,059.47x = 83,012,314.59 × 43,109,851.62
  4. Step 4: Simplify right side
    55,391,059.47x = 3,578,648,564,607,661
  5. Step 5: Solve for x
    x = 3,578,648,564,607,661/55,391,059.47
  6. Step 6: Final answer
    x = 64,606,970.85

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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.