Home / 142,714,638.10-214,071,957.15-99,667,917.10

Finding the Fourth Proportional to 142,714,638.10, 214,071,957.15 and 99,667,917.10

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Solution

The fourth proportional to 142,714,638.10, 214,071,957.15 and 99,667,917.10 is: 149,501,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,714,638.10 : 214,071,957.15 = 99,667,917.10 : x
  2. Step 2: Convert to fraction form
    142,714,638.10/214,071,957.15 = 99,667,917.10/x
  3. Step 3: Cross multiply
    142,714,638.10x = 214,071,957.15 × 99,667,917.10
  4. Step 4: Simplify right side
    142,714,638.10x = 21,336,106,078,660,952
  5. Step 5: Solve for x
    x = 21,336,106,078,660,952/142,714,638.10
  6. Step 6: Final answer
    x = 149,501,875.65

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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.