Home / 291,036,689.60-436,615,687.20-97,008,382.40

Finding the Fourth Proportional to 291,036,689.60, 436,615,687.20 and 97,008,382.40

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Solution

The fourth proportional to 291,036,689.60, 436,615,687.20 and 97,008,382.40 is: 145,532,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,036,689.60 : 436,615,687.20 = 97,008,382.40 : x
  2. Step 2: Convert to fraction form
    291,036,689.60/436,615,687.20 = 97,008,382.40/x
  3. Step 3: Cross multiply
    291,036,689.60x = 436,615,687.20 × 97,008,382.40
  4. Step 4: Simplify right side
    291,036,689.60x = 42,355,381,545,736,384
  5. Step 5: Solve for x
    x = 42,355,381,545,736,384/291,036,689.60
  6. Step 6: Final answer
    x = 145,532,790.40

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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.