Home / 249,169,427.85-343,843,403.70-143,314,794.93

Finding the Fourth Proportional to 249,169,427.85, 343,843,403.70 and 143,314,794.93

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Solution

The fourth proportional to 249,169,427.85, 343,843,403.70 and 143,314,794.93 is: 197,768,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,169,427.85 : 343,843,403.70 = 143,314,794.93 : x
  2. Step 2: Convert to fraction form
    249,169,427.85/343,843,403.70 = 143,314,794.93/x
  3. Step 3: Cross multiply
    249,169,427.85x = 343,843,403.70 × 143,314,794.93
  4. Step 4: Simplify right side
    249,169,427.85x = 49,277,846,889,298,704
  5. Step 5: Solve for x
    x = 49,277,846,889,298,704/249,169,427.85
  6. Step 6: Final answer
    x = 197,768,431.36

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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.