Home / 74,304,345.60-111,456,518.40-56,164,492.80

Finding the Fourth Proportional to 74,304,345.60, 111,456,518.40 and 56,164,492.80

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Solution

The fourth proportional to 74,304,345.60, 111,456,518.40 and 56,164,492.80 is: 84,246,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304,345.60 : 111,456,518.40 = 56,164,492.80 : x
  2. Step 2: Convert to fraction form
    74,304,345.60/111,456,518.40 = 56,164,492.80/x
  3. Step 3: Cross multiply
    74,304,345.60x = 111,456,518.40 × 56,164,492.80
  4. Step 4: Simplify right side
    74,304,345.60x = 6,259,898,825,189,868
  5. Step 5: Solve for x
    x = 6,259,898,825,189,868/74,304,345.60
  6. Step 6: Final answer
    x = 84,246,739.20

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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.