Home / 142,722,009.40-199,380,345.92-142,722,009.40

Finding the Fourth Proportional to 142,722,009.40, 199,380,345.92 and 142,722,009.40

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Solution

The fourth proportional to 142,722,009.40, 199,380,345.92 and 142,722,009.40 is: 199,380,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,722,009.40 : 199,380,345.92 = 142,722,009.40 : x
  2. Step 2: Convert to fraction form
    142,722,009.40/199,380,345.92 = 142,722,009.40/x
  3. Step 3: Cross multiply
    142,722,009.40x = 199,380,345.92 × 142,722,009.40
  4. Step 4: Simplify right side
    142,722,009.40x = 28,455,963,604,569,492
  5. Step 5: Solve for x
    x = 28,455,963,604,569,492/142,722,009.40
  6. Step 6: Final answer
    x = 199,380,345.92

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.