Home / 74,016,036.40-111,024,054.60-72,756,324.40

Finding the Fourth Proportional to 74,016,036.40, 111,024,054.60 and 72,756,324.40

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Solution

The fourth proportional to 74,016,036.40, 111,024,054.60 and 72,756,324.40 is: 109,134,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,016,036.40 : 111,024,054.60 = 72,756,324.40 : x
  2. Step 2: Convert to fraction form
    74,016,036.40/111,024,054.60 = 72,756,324.40/x
  3. Step 3: Cross multiply
    74,016,036.40x = 111,024,054.60 × 72,756,324.40
  4. Step 4: Simplify right side
    74,016,036.40x = 8,077,702,132,680,912
  5. Step 5: Solve for x
    x = 8,077,702,132,680,912/74,016,036.40
  6. Step 6: Final answer
    x = 109,134,486.60

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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.