Home / 134,641,187.72-185,813,165.70-74,289,886.54

Finding the Fourth Proportional to 134,641,187.72, 185,813,165.70 and 74,289,886.54

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Solution

The fourth proportional to 134,641,187.72, 185,813,165.70 and 74,289,886.54 is: 102,524,637.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,641,187.72 : 185,813,165.70 = 74,289,886.54 : x
  2. Step 2: Convert to fraction form
    134,641,187.72/185,813,165.70 = 74,289,886.54/x
  3. Step 3: Cross multiply
    134,641,187.72x = 185,813,165.70 × 74,289,886.54
  4. Step 4: Simplify right side
    134,641,187.72x = 13,804,038,996,190,704
  5. Step 5: Solve for x
    x = 13,804,038,996,190,704/134,641,187.72
  6. Step 6: Final answer
    x = 102,524,637.75

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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.