Home / 74,853,639.20-112,060,009.20-55,769,002.40

Finding the Fourth Proportional to 74,853,639.20, 112,060,009.20 and 55,769,002.40

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Solution

The fourth proportional to 74,853,639.20, 112,060,009.20 and 55,769,002.40 is: 83,489,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,853,639.20 : 112,060,009.20 = 55,769,002.40 : x
  2. Step 2: Convert to fraction form
    74,853,639.20/112,060,009.20 = 55,769,002.40/x
  3. Step 3: Cross multiply
    74,853,639.20x = 112,060,009.20 × 55,769,002.40
  4. Step 4: Simplify right side
    74,853,639.20x = 6,249,474,922,018,822
  5. Step 5: Solve for x
    x = 6,249,474,922,018,822/74,853,639.20
  6. Step 6: Final answer
    x = 83,489,259.69

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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.