Home / 297,752,502.40-446,689,287.60-103,679,051.20

Finding the Fourth Proportional to 297,752,502.40, 446,689,287.60 and 103,679,051.20

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Solution

The fourth proportional to 297,752,502.40, 446,689,287.60 and 103,679,051.20 is: 155,539,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,752,502.40 : 446,689,287.60 = 103,679,051.20 : x
  2. Step 2: Convert to fraction form
    297,752,502.40/446,689,287.60 = 103,679,051.20/x
  3. Step 3: Cross multiply
    297,752,502.40x = 446,689,287.60 × 103,679,051.20
  4. Step 4: Simplify right side
    297,752,502.40x = 46,312,321,519,571,928
  5. Step 5: Solve for x
    x = 46,312,321,519,571,928/297,752,502.40
  6. Step 6: Final answer
    x = 155,539,655.07

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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.