Home / 74,016,032.40-111,024,048.60-72,756,320.40

Finding the Fourth Proportional to 74,016,032.40, 111,024,048.60 and 72,756,320.40

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Solution

The fourth proportional to 74,016,032.40, 111,024,048.60 and 72,756,320.40 is: 109,134,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,016,032.40 : 111,024,048.60 = 72,756,320.40 : x
  2. Step 2: Convert to fraction form
    74,016,032.40/111,024,048.60 = 72,756,320.40/x
  3. Step 3: Cross multiply
    74,016,032.40x = 111,024,048.60 × 72,756,320.40
  4. Step 4: Simplify right side
    74,016,032.40x = 8,077,701,252,046,772
  5. Step 5: Solve for x
    x = 8,077,701,252,046,772/74,016,032.40
  6. Step 6: Final answer
    x = 109,134,480.60

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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.