Home / 142,368,001.70-213,552,002.55-124,452,097.70

Finding the Fourth Proportional to 142,368,001.70, 213,552,002.55 and 124,452,097.70

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Solution

The fourth proportional to 142,368,001.70, 213,552,002.55 and 124,452,097.70 is: 186,678,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,368,001.70 : 213,552,002.55 = 124,452,097.70 : x
  2. Step 2: Convert to fraction form
    142,368,001.70/213,552,002.55 = 124,452,097.70/x
  3. Step 3: Cross multiply
    142,368,001.70x = 213,552,002.55 × 124,452,097.70
  4. Step 4: Simplify right side
    142,368,001.70x = 26,576,994,685,383,252
  5. Step 5: Solve for x
    x = 26,576,994,685,383,252/142,368,001.70
  6. Step 6: Final answer
    x = 186,678,146.55

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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.