Home / 72,425,267.10-108,637,900.65-38,413,043.10

Finding the Fourth Proportional to 72,425,267.10, 108,637,900.65 and 38,413,043.10

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Solution

The fourth proportional to 72,425,267.10, 108,637,900.65 and 38,413,043.10 is: 57,619,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,425,267.10 : 108,637,900.65 = 38,413,043.10 : x
  2. Step 2: Convert to fraction form
    72,425,267.10/108,637,900.65 = 38,413,043.10/x
  3. Step 3: Cross multiply
    72,425,267.10x = 108,637,900.65 × 38,413,043.10
  4. Step 4: Simplify right side
    72,425,267.10x = 4,173,112,359,961,968.50
  5. Step 5: Solve for x
    x = 4,173,112,359,961,968.50/72,425,267.10
  6. Step 6: Final answer
    x = 57,619,564.65

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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.