Home / 142,048,792.44-213,070,664.64-45,001,977.72

Finding the Fourth Proportional to 142,048,792.44, 213,070,664.64 and 45,001,977.72

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Solution

The fourth proportional to 142,048,792.44, 213,070,664.64 and 45,001,977.72 is: 67,502,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,048,792.44 : 213,070,664.64 = 45,001,977.72 : x
  2. Step 2: Convert to fraction form
    142,048,792.44/213,070,664.64 = 45,001,977.72/x
  3. Step 3: Cross multiply
    142,048,792.44x = 213,070,664.64 × 45,001,977.72
  4. Step 4: Simplify right side
    142,048,792.44x = 9,588,601,302,914,870
  5. Step 5: Solve for x
    x = 9,588,601,302,914,870/142,048,792.44
  6. Step 6: Final answer
    x = 67,502,166.95

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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.