Home / 157,905,902.80-237,256,985.40-100,425,710.80

Finding the Fourth Proportional to 157,905,902.80, 237,256,985.40 and 100,425,710.80

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Solution

The fourth proportional to 157,905,902.80, 237,256,985.40 and 100,425,710.80 is: 150,891,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,905,902.80 : 237,256,985.40 = 100,425,710.80 : x
  2. Step 2: Convert to fraction form
    157,905,902.80/237,256,985.40 = 100,425,710.80/x
  3. Step 3: Cross multiply
    157,905,902.80x = 237,256,985.40 × 100,425,710.80
  4. Step 4: Simplify right side
    157,905,902.80x = 23,826,701,401,060,224
  5. Step 5: Solve for x
    x = 23,826,701,401,060,224/157,905,902.80
  6. Step 6: Final answer
    x = 150,891,771.48

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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.