Home / 53,995,670.16-74,513,976.66-30,479,156.84

Finding the Fourth Proportional to 53,995,670.16, 74,513,976.66 and 30,479,156.84

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Solution

The fourth proportional to 53,995,670.16, 74,513,976.66 and 30,479,156.84 is: 42,061,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995,670.16 : 74,513,976.66 = 30,479,156.84 : x
  2. Step 2: Convert to fraction form
    53,995,670.16/74,513,976.66 = 30,479,156.84/x
  3. Step 3: Cross multiply
    53,995,670.16x = 74,513,976.66 × 30,479,156.84
  4. Step 4: Simplify right side
    53,995,670.16x = 2,271,123,181,019,669.50
  5. Step 5: Solve for x
    x = 2,271,123,181,019,669.50/53,995,670.16
  6. Step 6: Final answer
    x = 42,061,209.25

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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.