Home / 282,452,049.83-389,757,070.21-156,989,347.83

Finding the Fourth Proportional to 282,452,049.83, 389,757,070.21 and 156,989,347.83

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Solution

The fourth proportional to 282,452,049.83, 389,757,070.21 and 156,989,347.83 is: 216,630,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,452,049.83 : 389,757,070.21 = 156,989,347.83 : x
  2. Step 2: Convert to fraction form
    282,452,049.83/389,757,070.21 = 156,989,347.83/x
  3. Step 3: Cross multiply
    282,452,049.83x = 389,757,070.21 × 156,989,347.83
  4. Step 4: Simplify right side
    282,452,049.83x = 61,187,708,264,302,088
  5. Step 5: Solve for x
    x = 61,187,708,264,302,088/282,452,049.83
  6. Step 6: Final answer
    x = 216,630,427.37

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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.