Home / 319,873,206.96-479,986,859-156,112,320.02

Finding the Fourth Proportional to 319,873,206.96, 479,986,859 and 156,112,320.02

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Solution

The fourth proportional to 319,873,206.96, 479,986,859 and 156,112,320.02 is: 234,254,887.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,873,206.96 : 479,986,859 = 156,112,320.02 : x
  2. Step 2: Convert to fraction form
    319,873,206.96/479,986,859 = 156,112,320.02/x
  3. Step 3: Cross multiply
    319,873,206.96x = 479,986,859 × 156,112,320.02
  4. Step 4: Simplify right side
    319,873,206.96x = 74,931,862,137,602,624
  5. Step 5: Solve for x
    x = 74,931,862,137,602,624/319,873,206.96
  6. Step 6: Final answer
    x = 234,254,887.58

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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.