Home / 39,957,899.16-55,141,900.29-21,623,184.66

Finding the Fourth Proportional to 39,957,899.16, 55,141,900.29 and 21,623,184.66

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Solution

The fourth proportional to 39,957,899.16, 55,141,900.29 and 21,623,184.66 is: 29,839,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,899.16 : 55,141,900.29 = 21,623,184.66 : x
  2. Step 2: Convert to fraction form
    39,957,899.16/55,141,900.29 = 21,623,184.66/x
  3. Step 3: Cross multiply
    39,957,899.16x = 55,141,900.29 × 21,623,184.66
  4. Step 4: Simplify right side
    39,957,899.16x = 1,192,343,492,473,977.50
  5. Step 5: Solve for x
    x = 1,192,343,492,473,977.50/39,957,899.16
  6. Step 6: Final answer
    x = 29,839,994.53

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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.