Home / 313,280,419.78-432,301,633.28-181,129,895.02

Finding the Fourth Proportional to 313,280,419.78, 432,301,633.28 and 181,129,895.02

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Solution

The fourth proportional to 313,280,419.78, 432,301,633.28 and 181,129,895.02 is: 249,944,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,280,419.78 : 432,301,633.28 = 181,129,895.02 : x
  2. Step 2: Convert to fraction form
    313,280,419.78/432,301,633.28 = 181,129,895.02/x
  3. Step 3: Cross multiply
    313,280,419.78x = 432,301,633.28 × 181,129,895.02
  4. Step 4: Simplify right side
    313,280,419.78x = 78,302,749,452,980,944
  5. Step 5: Solve for x
    x = 78,302,749,452,980,944/313,280,419.78
  6. Step 6: Final answer
    x = 249,944,600.78

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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.