Home / 291,036,778.60-436,615,820.70-97,008,471.40

Finding the Fourth Proportional to 291,036,778.60, 436,615,820.70 and 97,008,471.40

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Solution

The fourth proportional to 291,036,778.60, 436,615,820.70 and 97,008,471.40 is: 145,532,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,036,778.60 : 436,615,820.70 = 97,008,471.40 : x
  2. Step 2: Convert to fraction form
    291,036,778.60/436,615,820.70 = 97,008,471.40/x
  3. Step 3: Cross multiply
    291,036,778.60x = 436,615,820.70 × 97,008,471.40
  4. Step 4: Simplify right side
    291,036,778.60x = 42,355,433,355,163,480
  5. Step 5: Solve for x
    x = 42,355,433,355,163,480/291,036,778.60
  6. Step 6: Final answer
    x = 145,532,923.91

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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.