Home / 133,941,888-184,828,491.36-81,038,306.40

Finding the Fourth Proportional to 133,941,888, 184,828,491.36 and 81,038,306.40

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Solution

The fourth proportional to 133,941,888, 184,828,491.36 and 81,038,306.40 is: 111,826,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,941,888 : 184,828,491.36 = 81,038,306.40 : x
  2. Step 2: Convert to fraction form
    133,941,888/184,828,491.36 = 81,038,306.40/x
  3. Step 3: Cross multiply
    133,941,888x = 184,828,491.36 × 81,038,306.40
  4. Step 4: Simplify right side
    133,941,888x = 14,978,187,914,281,434
  5. Step 5: Solve for x
    x = 14,978,187,914,281,434/133,941,888
  6. Step 6: Final answer
    x = 111,826,017.52

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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.