Home / 104,088,789.40-156,021,209.70-39,367,586.20

Finding the Fourth Proportional to 104,088,789.40, 156,021,209.70 and 39,367,586.20

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Solution

The fourth proportional to 104,088,789.40, 156,021,209.70 and 39,367,586.20 is: 59,009,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,088,789.40 : 156,021,209.70 = 39,367,586.20 : x
  2. Step 2: Convert to fraction form
    104,088,789.40/156,021,209.70 = 39,367,586.20/x
  3. Step 3: Cross multiply
    104,088,789.40x = 156,021,209.70 × 39,367,586.20
  4. Step 4: Simplify right side
    104,088,789.40x = 6,142,178,421,893,026
  5. Step 5: Solve for x
    x = 6,142,178,421,893,026/104,088,789.40
  6. Step 6: Final answer
    x = 59,009,029.28

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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.