Home / 31,167,155,118.05-43,009,521,789.05-16,893,676,286.52

Finding the Fourth Proportional to 31,167,155,118.05, 43,009,521,789.05 and 16,893,676,286.52

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Solution

The fourth proportional to 31,167,155,118.05, 43,009,521,789.05 and 16,893,676,286.52 is: 23,312,648,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167,155,118.05 : 43,009,521,789.05 = 16,893,676,286.52 : x
  2. Step 2: Convert to fraction form
    31,167,155,118.05/43,009,521,789.05 = 16,893,676,286.52/x
  3. Step 3: Cross multiply
    31,167,155,118.05x = 43,009,521,789.05 × 16,893,676,286.52
  4. Step 4: Simplify right side
    31,167,155,118.05x = 726,588,938,342,291,341,312
  5. Step 5: Solve for x
    x = 726,588,938,342,291,341,312/31,167,155,118.05
  6. Step 6: Final answer
    x = 23,312,648,703.10

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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.