Home / 157,407,419,945.22-235,921,430,697.03-72,299,771,765.70

Finding the Fourth Proportional to 157,407,419,945.22, 235,921,430,697.03 and 72,299,771,765.70

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Solution

The fourth proportional to 157,407,419,945.22, 235,921,430,697.03 and 72,299,771,765.70 is: 108,362,525,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,407,419,945.22 : 235,921,430,697.03 = 72,299,771,765.70 : x
  2. Step 2: Convert to fraction form
    157,407,419,945.22/235,921,430,697.03 = 72,299,771,765.70/x
  3. Step 3: Cross multiply
    157,407,419,945.22x = 235,921,430,697.03 × 72,299,771,765.70
  4. Step 4: Simplify right side
    157,407,419,945.22x = 17,057,065,594,032,677,191,680
  5. Step 5: Solve for x
    x = 17,057,065,594,032,677,191,680/157,407,419,945.22
  6. Step 6: Final answer
    x = 108,362,525,730.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.