Home / 74,307,407.40-111,461,111.10-19,728,416.70

Finding the Fourth Proportional to 74,307,407.40, 111,461,111.10 and 19,728,416.70

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Solution

The fourth proportional to 74,307,407.40, 111,461,111.10 and 19,728,416.70 is: 29,592,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,307,407.40 : 111,461,111.10 = 19,728,416.70 : x
  2. Step 2: Convert to fraction form
    74,307,407.40/111,461,111.10 = 19,728,416.70/x
  3. Step 3: Cross multiply
    74,307,407.40x = 111,461,111.10 × 19,728,416.70
  4. Step 4: Simplify right side
    74,307,407.40x = 2,198,951,245,625,795.25
  5. Step 5: Solve for x
    x = 2,198,951,245,625,795.25/74,307,407.40
  6. Step 6: Final answer
    x = 29,592,625.05

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1.5x scale

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.