Home / 291,228,019.30-436,842,028.95-83,966,029.30

Finding the Fourth Proportional to 291,228,019.30, 436,842,028.95 and 83,966,029.30

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Solution

The fourth proportional to 291,228,019.30, 436,842,028.95 and 83,966,029.30 is: 125,949,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,228,019.30 : 436,842,028.95 = 83,966,029.30 : x
  2. Step 2: Convert to fraction form
    291,228,019.30/436,842,028.95 = 83,966,029.30/x
  3. Step 3: Cross multiply
    291,228,019.30x = 436,842,028.95 × 83,966,029.30
  4. Step 4: Simplify right side
    291,228,019.30x = 36,679,890,602,287,144
  5. Step 5: Solve for x
    x = 36,679,890,602,287,144/291,228,019.30
  6. Step 6: Final answer
    x = 125,949,043.95

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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.