Home / 291,830,643.26-402,731,331.27-159,683,189.42

Finding the Fourth Proportional to 291,830,643.26, 402,731,331.27 and 159,683,189.42

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Solution

The fourth proportional to 291,830,643.26, 402,731,331.27 and 159,683,189.42 is: 220,365,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,830,643.26 : 402,731,331.27 = 159,683,189.42 : x
  2. Step 2: Convert to fraction form
    291,830,643.26/402,731,331.27 = 159,683,189.42/x
  3. Step 3: Cross multiply
    291,830,643.26x = 402,731,331.27 × 159,683,189.42
  4. Step 4: Simplify right side
    291,830,643.26x = 64,309,423,456,556,168
  5. Step 5: Solve for x
    x = 64,309,423,456,556,168/291,830,643.26
  6. Step 6: Final answer
    x = 220,365,561.13

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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.