Home / 142,048,792.94-213,070,665.39-45,001,978.22

Finding the Fourth Proportional to 142,048,792.94, 213,070,665.39 and 45,001,978.22

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Solution

The fourth proportional to 142,048,792.94, 213,070,665.39 and 45,001,978.22 is: 67,502,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,048,792.94 : 213,070,665.39 = 45,001,978.22 : x
  2. Step 2: Convert to fraction form
    142,048,792.94/213,070,665.39 = 45,001,978.22/x
  3. Step 3: Cross multiply
    142,048,792.94x = 213,070,665.39 × 45,001,978.22
  4. Step 4: Simplify right side
    142,048,792.94x = 9,588,601,443,201,686
  5. Step 5: Solve for x
    x = 9,588,601,443,201,686/142,048,792.94
  6. Step 6: Final answer
    x = 67,502,167.70

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1.5x scale

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.