Home / 54,316,631.80-74,958,922.90-31,116,242.68

Finding the Fourth Proportional to 54,316,631.80, 74,958,922.90 and 31,116,242.68

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Solution

The fourth proportional to 54,316,631.80, 74,958,922.90 and 31,116,242.68 is: 42,941,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316,631.80 : 74,958,922.90 = 31,116,242.68 : x
  2. Step 2: Convert to fraction form
    54,316,631.80/74,958,922.90 = 31,116,242.68/x
  3. Step 3: Cross multiply
    54,316,631.80x = 74,958,922.90 × 31,116,242.68
  4. Step 4: Simplify right side
    54,316,631.80x = 2,332,440,035,987,809.50
  5. Step 5: Solve for x
    x = 2,332,440,035,987,809.50/54,316,631.80
  6. Step 6: Final answer
    x = 42,941,544.03

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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.