Home / 99,120,662.61-136,778,506.64-57,307,422.51

Finding the Fourth Proportional to 99,120,662.61, 136,778,506.64 and 57,307,422.51

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Solution

The fourth proportional to 99,120,662.61, 136,778,506.64 and 57,307,422.51 is: 79,079,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,120,662.61 : 136,778,506.64 = 57,307,422.51 : x
  2. Step 2: Convert to fraction form
    99,120,662.61/136,778,506.64 = 57,307,422.51/x
  3. Step 3: Cross multiply
    99,120,662.61x = 136,778,506.64 × 57,307,422.51
  4. Step 4: Simplify right side
    99,120,662.61x = 7,838,423,669,656,617
  5. Step 5: Solve for x
    x = 7,838,423,669,656,617/99,120,662.61
  6. Step 6: Final answer
    x = 79,079,613.30

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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.