Home / 70,884,783.12-106,345,107.96-19,766,807.28

Finding the Fourth Proportional to 70,884,783.12, 106,345,107.96 and 19,766,807.28

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Solution

The fourth proportional to 70,884,783.12, 106,345,107.96 and 19,766,807.28 is: 29,655,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,884,783.12 : 106,345,107.96 = 19,766,807.28 : x
  2. Step 2: Convert to fraction form
    70,884,783.12/106,345,107.96 = 19,766,807.28/x
  3. Step 3: Cross multiply
    70,884,783.12x = 106,345,107.96 × 19,766,807.28
  4. Step 4: Simplify right side
    70,884,783.12x = 2,102,103,254,216,114
  5. Step 5: Solve for x
    x = 2,102,103,254,216,114/70,884,783.12
  6. Step 6: Final answer
    x = 29,655,211.76

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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.