Home / 278,462,417.24-384,255,639.38-160,995,317.51

Finding the Fourth Proportional to 278,462,417.24, 384,255,639.38 and 160,995,317.51

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Solution

The fourth proportional to 278,462,417.24, 384,255,639.38 and 160,995,317.51 is: 222,160,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,462,417.24 : 384,255,639.38 = 160,995,317.51 : x
  2. Step 2: Convert to fraction form
    278,462,417.24/384,255,639.38 = 160,995,317.51/x
  3. Step 3: Cross multiply
    278,462,417.24x = 384,255,639.38 × 160,995,317.51
  4. Step 4: Simplify right side
    278,462,417.24x = 61,863,358,664,264,904
  5. Step 5: Solve for x
    x = 61,863,358,664,264,904/278,462,417.24
  6. Step 6: Final answer
    x = 222,160,531.67

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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.