Home / 78,293,435.63-108,032,930.51-45,247,303.33

Finding the Fourth Proportional to 78,293,435.63, 108,032,930.51 and 45,247,303.33

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Solution

The fourth proportional to 78,293,435.63, 108,032,930.51 and 45,247,303.33 is: 62,434,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,293,435.63 : 108,032,930.51 = 45,247,303.33 : x
  2. Step 2: Convert to fraction form
    78,293,435.63/108,032,930.51 = 45,247,303.33/x
  3. Step 3: Cross multiply
    78,293,435.63x = 108,032,930.51 × 45,247,303.33
  4. Step 4: Simplify right side
    78,293,435.63x = 4,888,198,776,257,818
  5. Step 5: Solve for x
    x = 4,888,198,776,257,818/78,293,435.63
  6. Step 6: Final answer
    x = 62,434,337.40

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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.