Home / 156,779,853.76-235,154,584.16-47,605,984.48

Finding the Fourth Proportional to 156,779,853.76, 235,154,584.16 and 47,605,984.48

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Solution

The fourth proportional to 156,779,853.76, 235,154,584.16 and 47,605,984.48 is: 71,404,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,853.76 : 235,154,584.16 = 47,605,984.48 : x
  2. Step 2: Convert to fraction form
    156,779,853.76/235,154,584.16 = 47,605,984.48/x
  3. Step 3: Cross multiply
    156,779,853.76x = 235,154,584.16 × 47,605,984.48
  4. Step 4: Simplify right side
    156,779,853.76x = 11,194,765,483,921,812
  5. Step 5: Solve for x
    x = 11,194,765,483,921,812/156,779,853.76
  6. Step 6: Final answer
    x = 71,404,362.33

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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.