Home / 104,237,783.10-156,357,878.40-31,455,194.22

Finding the Fourth Proportional to 104,237,783.10, 156,357,878.40 and 31,455,194.22

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Solution

The fourth proportional to 104,237,783.10, 156,357,878.40 and 31,455,194.22 is: 47,183,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,237,783.10 : 156,357,878.40 = 31,455,194.22 : x
  2. Step 2: Convert to fraction form
    104,237,783.10/156,357,878.40 = 31,455,194.22/x
  3. Step 3: Cross multiply
    104,237,783.10x = 156,357,878.40 × 31,455,194.22
  4. Step 4: Simplify right side
    104,237,783.10x = 4,918,267,432,899,143
  5. Step 5: Solve for x
    x = 4,918,267,432,899,143/104,237,783.10
  6. Step 6: Final answer
    x = 47,183,154.58

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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.