Home / 291,935,507.60-402,872,067.78-157,973,424.52

Finding the Fourth Proportional to 291,935,507.60, 402,872,067.78 and 157,973,424.52

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Solution

The fourth proportional to 291,935,507.60, 402,872,067.78 and 157,973,424.52 is: 218,003,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,935,507.60 : 402,872,067.78 = 157,973,424.52 : x
  2. Step 2: Convert to fraction form
    291,935,507.60/402,872,067.78 = 157,973,424.52/x
  3. Step 3: Cross multiply
    291,935,507.60x = 402,872,067.78 × 157,973,424.52
  4. Step 4: Simplify right side
    291,935,507.60x = 63,643,080,190,660,152
  5. Step 5: Solve for x
    x = 63,643,080,190,660,152/291,935,507.60
  6. Step 6: Final answer
    x = 218,003,903.38

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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.