Home / 291,935,522.13-402,872,087.79-157,973,439.06

Finding the Fourth Proportional to 291,935,522.13, 402,872,087.79 and 157,973,439.06

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Solution

The fourth proportional to 291,935,522.13, 402,872,087.79 and 157,973,439.06 is: 218,003,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,935,522.13 : 402,872,087.79 = 157,973,439.06 : x
  2. Step 2: Convert to fraction form
    291,935,522.13/402,872,087.79 = 157,973,439.06/x
  3. Step 3: Cross multiply
    291,935,522.13x = 402,872,087.79 × 157,973,439.06
  4. Step 4: Simplify right side
    291,935,522.13x = 63,643,089,209,468,536
  5. Step 5: Solve for x
    x = 63,643,089,209,468,536/291,935,522.13
  6. Step 6: Final answer
    x = 218,003,923.42

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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.