Home / 291,935,445.52-402,871,982.53-157,973,362.96

Finding the Fourth Proportional to 291,935,445.52, 402,871,982.53 and 157,973,362.96

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Solution

The fourth proportional to 291,935,445.52, 402,871,982.53 and 157,973,362.96 is: 218,003,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,935,445.52 : 402,871,982.53 = 157,973,362.96 : x
  2. Step 2: Convert to fraction form
    291,935,445.52/402,871,982.53 = 157,973,362.96/x
  3. Step 3: Cross multiply
    291,935,445.52x = 402,871,982.53 × 157,973,362.96
  4. Step 4: Simplify right side
    291,935,445.52x = 63,643,041,922,626,464
  5. Step 5: Solve for x
    x = 63,643,041,922,626,464/291,935,445.52
  6. Step 6: Final answer
    x = 218,003,818.65

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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.