Home / 103,253,554.18-154,834,881.81-54,720,036.94

Finding the Fourth Proportional to 103,253,554.18, 154,834,881.81 and 54,720,036.94

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Solution

The fourth proportional to 103,253,554.18, 154,834,881.81 and 54,720,036.94 is: 82,055,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,253,554.18 : 154,834,881.81 = 54,720,036.94 : x
  2. Step 2: Convert to fraction form
    103,253,554.18/154,834,881.81 = 54,720,036.94/x
  3. Step 3: Cross multiply
    103,253,554.18x = 154,834,881.81 × 54,720,036.94
  4. Step 4: Simplify right side
    103,253,554.18x = 8,472,570,452,243,734
  5. Step 5: Solve for x
    x = 8,472,570,452,243,734/103,253,554.18
  6. Step 6: Final answer
    x = 82,055,969.11

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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.