Home / 111,282,990.97-153,588,916.98-61,739,326.60

Finding the Fourth Proportional to 111,282,990.97, 153,588,916.98 and 61,739,326.60

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Solution

The fourth proportional to 111,282,990.97, 153,588,916.98 and 61,739,326.60 is: 85,210,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,282,990.97 : 153,588,916.98 = 61,739,326.60 : x
  2. Step 2: Convert to fraction form
    111,282,990.97/153,588,916.98 = 61,739,326.60/x
  3. Step 3: Cross multiply
    111,282,990.97x = 153,588,916.98 × 61,739,326.60
  4. Step 4: Simplify right side
    111,282,990.97x = 9,482,476,307,568,506
  5. Step 5: Solve for x
    x = 9,482,476,307,568,506/111,282,990.97
  6. Step 6: Final answer
    x = 85,210,473.09

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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.