Home / 70,579,109.07-97,399,855.49-40,807,521.81

Finding the Fourth Proportional to 70,579,109.07, 97,399,855.49 and 40,807,521.81

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Solution

The fourth proportional to 70,579,109.07, 97,399,855.49 and 40,807,521.81 is: 56,314,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,579,109.07 : 97,399,855.49 = 40,807,521.81 : x
  2. Step 2: Convert to fraction form
    70,579,109.07/97,399,855.49 = 40,807,521.81/x
  3. Step 3: Cross multiply
    70,579,109.07x = 97,399,855.49 × 40,807,521.81
  4. Step 4: Simplify right side
    70,579,109.07x = 3,974,646,726,994,986
  5. Step 5: Solve for x
    x = 3,974,646,726,994,986/70,579,109.07
  6. Step 6: Final answer
    x = 56,314,776.13

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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.