Home / 291,330,777.60-436,996,166.40-75,920,025.60

Finding the Fourth Proportional to 291,330,777.60, 436,996,166.40 and 75,920,025.60

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Solution

The fourth proportional to 291,330,777.60, 436,996,166.40 and 75,920,025.60 is: 113,880,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,330,777.60 : 436,996,166.40 = 75,920,025.60 : x
  2. Step 2: Convert to fraction form
    291,330,777.60/436,996,166.40 = 75,920,025.60/x
  3. Step 3: Cross multiply
    291,330,777.60x = 436,996,166.40 × 75,920,025.60
  4. Step 4: Simplify right side
    291,330,777.60x = 33,176,760,140,189,856
  5. Step 5: Solve for x
    x = 33,176,760,140,189,856/291,330,777.60
  6. Step 6: Final answer
    x = 113,880,038.40

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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.