Home / 142,714,678.60-214,072,017.90-99,667,957.60

Finding the Fourth Proportional to 142,714,678.60, 214,072,017.90 and 99,667,957.60

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Solution

The fourth proportional to 142,714,678.60, 214,072,017.90 and 99,667,957.60 is: 149,501,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,714,678.60 : 214,072,017.90 = 99,667,957.60 : x
  2. Step 2: Convert to fraction form
    142,714,678.60/214,072,017.90 = 99,667,957.60/x
  3. Step 3: Cross multiply
    142,714,678.60x = 214,072,017.90 × 99,667,957.60
  4. Step 4: Simplify right side
    142,714,678.60x = 21,336,120,803,403,640
  5. Step 5: Solve for x
    x = 21,336,120,803,403,640/142,714,678.60
  6. Step 6: Final answer
    x = 149,501,936.40

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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.