Home / 159,430,307.40-239,145,461.10-101,987,440.20

Finding the Fourth Proportional to 159,430,307.40, 239,145,461.10 and 101,987,440.20

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Solution

The fourth proportional to 159,430,307.40, 239,145,461.10 and 101,987,440.20 is: 152,981,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,430,307.40 : 239,145,461.10 = 101,987,440.20 : x
  2. Step 2: Convert to fraction form
    159,430,307.40/239,145,461.10 = 101,987,440.20/x
  3. Step 3: Cross multiply
    159,430,307.40x = 239,145,461.10 × 101,987,440.20
  4. Step 4: Simplify right side
    159,430,307.40x = 24,389,833,413,037,676
  5. Step 5: Solve for x
    x = 24,389,833,413,037,676/159,430,307.40
  6. Step 6: Final answer
    x = 152,981,160.30

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1.5x scale

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.