Home / 402,141,732.40-603,283,457.40-143,507,112.40

Finding the Fourth Proportional to 402,141,732.40, 603,283,457.40 and 143,507,112.40

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Solution

The fourth proportional to 402,141,732.40, 603,283,457.40 and 143,507,112.40 is: 215,285,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,141,732.40 : 603,283,457.40 = 143,507,112.40 : x
  2. Step 2: Convert to fraction form
    402,141,732.40/603,283,457.40 = 143,507,112.40/x
  3. Step 3: Cross multiply
    402,141,732.40x = 603,283,457.40 × 143,507,112.40
  4. Step 4: Simplify right side
    402,141,732.40x = 86,575,466,930,162,416
  5. Step 5: Solve for x
    x = 86,575,466,930,162,416/402,141,732.40
  6. Step 6: Final answer
    x = 215,285,955.06

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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.