Home / 53,892,938.17-74,372,181.58-30,688,065.12

Finding the Fourth Proportional to 53,892,938.17, 74,372,181.58 and 30,688,065.12

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Solution

The fourth proportional to 53,892,938.17, 74,372,181.58 and 30,688,065.12 is: 42,349,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892,938.17 : 74,372,181.58 = 30,688,065.12 : x
  2. Step 2: Convert to fraction form
    53,892,938.17/74,372,181.58 = 30,688,065.12/x
  3. Step 3: Cross multiply
    53,892,938.17x = 74,372,181.58 × 30,688,065.12
  4. Step 4: Simplify right side
    53,892,938.17x = 2,282,338,351,443,504.50
  5. Step 5: Solve for x
    x = 2,282,338,351,443,504.50/53,892,938.17
  6. Step 6: Final answer
    x = 42,349,488.24

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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.