Home / 291,726,636.60-402,578,027.45-159,566,477.03

Finding the Fourth Proportional to 291,726,636.60, 402,578,027.45 and 159,566,477.03

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Solution

The fourth proportional to 291,726,636.60, 402,578,027.45 and 159,566,477.03 is: 220,199,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,726,636.60 : 402,578,027.45 = 159,566,477.03 : x
  2. Step 2: Convert to fraction form
    291,726,636.60/402,578,027.45 = 159,566,477.03/x
  3. Step 3: Cross multiply
    291,726,636.60x = 402,578,027.45 × 159,566,477.03
  4. Step 4: Simplify right side
    291,726,636.60x = 64,237,957,567,072,416
  5. Step 5: Solve for x
    x = 64,237,957,567,072,416/291,726,636.60
  6. Step 6: Final answer
    x = 220,199,150.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.