Home / 291,268,018.60-436,608,095.10-145,477,349.80

Finding the Fourth Proportional to 291,268,018.60, 436,608,095.10 and 145,477,349.80

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Solution

The fourth proportional to 291,268,018.60, 436,608,095.10 and 145,477,349.80 is: 218,069,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,268,018.60 : 436,608,095.10 = 145,477,349.80 : x
  2. Step 2: Convert to fraction form
    291,268,018.60/436,608,095.10 = 145,477,349.80/x
  3. Step 3: Cross multiply
    291,268,018.60x = 436,608,095.10 × 145,477,349.80
  4. Step 4: Simplify right side
    291,268,018.60x = 63,516,588,576,374,376
  5. Step 5: Solve for x
    x = 63,516,588,576,374,376/291,268,018.60
  6. Step 6: Final answer
    x = 218,069,216.39

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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.