Home / 291,102,000.40-436,653,000.60-97,019,747.20

Finding the Fourth Proportional to 291,102,000.40, 436,653,000.60 and 97,019,747.20

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Solution

The fourth proportional to 291,102,000.40, 436,653,000.60 and 97,019,747.20 is: 145,529,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,102,000.40 : 436,653,000.60 = 97,019,747.20 : x
  2. Step 2: Convert to fraction form
    291,102,000.40/436,653,000.60 = 97,019,747.20/x
  3. Step 3: Cross multiply
    291,102,000.40x = 436,653,000.60 × 97,019,747.20
  4. Step 4: Simplify right side
    291,102,000.40x = 42,363,963,732,333,448
  5. Step 5: Solve for x
    x = 42,363,963,732,333,448/291,102,000.40
  6. Step 6: Final answer
    x = 145,529,620.80

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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.