Home / 53,892,937.17-74,372,180.20-30,688,064.12

Finding the Fourth Proportional to 53,892,937.17, 74,372,180.20 and 30,688,064.12

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Solution

The fourth proportional to 53,892,937.17, 74,372,180.20 and 30,688,064.12 is: 42,349,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892,937.17 : 74,372,180.20 = 30,688,064.12 : x
  2. Step 2: Convert to fraction form
    53,892,937.17/74,372,180.20 = 30,688,064.12/x
  3. Step 3: Cross multiply
    53,892,937.17x = 74,372,180.20 × 30,688,064.12
  4. Step 4: Simplify right side
    53,892,937.17x = 2,282,338,234,831,005
  5. Step 5: Solve for x
    x = 2,282,338,234,831,005/53,892,937.17
  6. Step 6: Final answer
    x = 42,349,486.87

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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.