Home / 54,829,130.85-82,243,061.74-13,330,242.39

Finding the Fourth Proportional to 54,829,130.85, 82,243,061.74 and 13,330,242.39

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Solution

The fourth proportional to 54,829,130.85, 82,243,061.74 and 13,330,242.39 is: 19,995,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,829,130.85 : 82,243,061.74 = 13,330,242.39 : x
  2. Step 2: Convert to fraction form
    54,829,130.85/82,243,061.74 = 13,330,242.39/x
  3. Step 3: Cross multiply
    54,829,130.85x = 82,243,061.74 × 13,330,242.39
  4. Step 4: Simplify right side
    54,829,130.85x = 1,096,319,948,215,009.38
  5. Step 5: Solve for x
    x = 1,096,319,948,215,009.38/54,829,130.85
  6. Step 6: Final answer
    x = 19,995,209.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.