Home / 30,925,158.95-42,675,550.10-17,175,008.81

Finding the Fourth Proportional to 30,925,158.95, 42,675,550.10 and 17,175,008.81

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Solution

The fourth proportional to 30,925,158.95, 42,675,550.10 and 17,175,008.81 is: 23,700,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925,158.95 : 42,675,550.10 = 17,175,008.81 : x
  2. Step 2: Convert to fraction form
    30,925,158.95/42,675,550.10 = 17,175,008.81/x
  3. Step 3: Cross multiply
    30,925,158.95x = 42,675,550.10 × 17,175,008.81
  4. Step 4: Simplify right side
    30,925,158.95x = 732,952,948,768,656.12
  5. Step 5: Solve for x
    x = 732,952,948,768,656.12/30,925,158.95
  6. Step 6: Final answer
    x = 23,700,862.79

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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.