Home / 291,033,373.10-436,610,712.45-97,005,065.90

Finding the Fourth Proportional to 291,033,373.10, 436,610,712.45 and 97,005,065.90

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Solution

The fourth proportional to 291,033,373.10, 436,610,712.45 and 97,005,065.90 is: 145,527,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,033,373.10 : 436,610,712.45 = 97,005,065.90 : x
  2. Step 2: Convert to fraction form
    291,033,373.10/436,610,712.45 = 97,005,065.90/x
  3. Step 3: Cross multiply
    291,033,373.10x = 436,610,712.45 × 97,005,065.90
  4. Step 4: Simplify right side
    291,033,373.10x = 42,353,450,933,858,200
  5. Step 5: Solve for x
    x = 42,353,450,933,858,200/291,033,373.10
  6. Step 6: Final answer
    x = 145,527,815.19

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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.