Home / 390,024,114.60-585,122,777.10-131,232,030.60

Finding the Fourth Proportional to 390,024,114.60, 585,122,777.10 and 131,232,030.60

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Solution

The fourth proportional to 390,024,114.60, 585,122,777.10 and 131,232,030.60 is: 196,877,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,024,114.60 : 585,122,777.10 = 131,232,030.60 : x
  2. Step 2: Convert to fraction form
    390,024,114.60/585,122,777.10 = 131,232,030.60/x
  3. Step 3: Cross multiply
    390,024,114.60x = 585,122,777.10 × 131,232,030.60
  4. Step 4: Simplify right side
    390,024,114.60x = 76,786,850,189,144,176
  5. Step 5: Solve for x
    x = 76,786,850,189,144,176/390,024,114.60
  6. Step 6: Final answer
    x = 196,877,186.09

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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.