Home / 57,957,427.68-79,983,167.76-31,852,870.80

Finding the Fourth Proportional to 57,957,427.68, 79,983,167.76 and 31,852,870.80

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Solution

The fourth proportional to 57,957,427.68, 79,983,167.76 and 31,852,870.80 is: 43,958,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,957,427.68 : 79,983,167.76 = 31,852,870.80 : x
  2. Step 2: Convert to fraction form
    57,957,427.68/79,983,167.76 = 31,852,870.80/x
  3. Step 3: Cross multiply
    57,957,427.68x = 79,983,167.76 × 31,852,870.80
  4. Step 4: Simplify right side
    57,957,427.68x = 2,547,693,508,834,005.50
  5. Step 5: Solve for x
    x = 2,547,693,508,834,005.50/57,957,427.68
  6. Step 6: Final answer
    x = 43,958,015.58

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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.