Home / 74,252,045.70-111,333,781.80-45,518,802.30

Finding the Fourth Proportional to 74,252,045.70, 111,333,781.80 and 45,518,802.30

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Solution

The fourth proportional to 74,252,045.70, 111,333,781.80 and 45,518,802.30 is: 68,251,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,252,045.70 : 111,333,781.80 = 45,518,802.30 : x
  2. Step 2: Convert to fraction form
    74,252,045.70/111,333,781.80 = 45,518,802.30/x
  3. Step 3: Cross multiply
    74,252,045.70x = 111,333,781.80 × 45,518,802.30
  4. Step 4: Simplify right side
    74,252,045.70x = 5,067,780,403,065,538
  5. Step 5: Solve for x
    x = 5,067,780,403,065,538/74,252,045.70
  6. Step 6: Final answer
    x = 68,251,054.30

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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.