Home / 179,643,828.12-269,349,887.07-70,480,032.54

Finding the Fourth Proportional to 179,643,828.12, 269,349,887.07 and 70,480,032.54

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Solution

The fourth proportional to 179,643,828.12, 269,349,887.07 and 70,480,032.54 is: 105,674,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,643,828.12 : 269,349,887.07 = 70,480,032.54 : x
  2. Step 2: Convert to fraction form
    179,643,828.12/269,349,887.07 = 70,480,032.54/x
  3. Step 3: Cross multiply
    179,643,828.12x = 269,349,887.07 × 70,480,032.54
  4. Step 4: Simplify right side
    179,643,828.12x = 18,983,788,805,338,928
  5. Step 5: Solve for x
    x = 18,983,788,805,338,928/179,643,828.12
  6. Step 6: Final answer
    x = 105,674,595.14

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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.