Home / 156,779,847.79-235,154,575.20-47,605,978.51

Finding the Fourth Proportional to 156,779,847.79, 235,154,575.20 and 47,605,978.51

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Solution

The fourth proportional to 156,779,847.79, 235,154,575.20 and 47,605,978.51 is: 71,404,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,847.79 : 235,154,575.20 = 47,605,978.51 : x
  2. Step 2: Convert to fraction form
    156,779,847.79/235,154,575.20 = 47,605,978.51/x
  3. Step 3: Cross multiply
    156,779,847.79x = 235,154,575.20 × 47,605,978.51
  4. Step 4: Simplify right side
    156,779,847.79x = 11,194,763,653,499,378
  5. Step 5: Solve for x
    x = 11,194,763,653,499,378/156,779,847.79
  6. Step 6: Final answer
    x = 71,404,353.37

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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.