Home / 70,167,393.23-105,243,048.97-18,356,995.69

Finding the Fourth Proportional to 70,167,393.23, 105,243,048.97 and 18,356,995.69

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Solution

The fourth proportional to 70,167,393.23, 105,243,048.97 and 18,356,995.69 is: 27,533,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167,393.23 : 105,243,048.97 = 18,356,995.69 : x
  2. Step 2: Convert to fraction form
    70,167,393.23/105,243,048.97 = 18,356,995.69/x
  3. Step 3: Cross multiply
    70,167,393.23x = 105,243,048.97 × 18,356,995.69
  4. Step 4: Simplify right side
    70,167,393.23x = 1,931,946,196,035,748.75
  5. Step 5: Solve for x
    x = 1,931,946,196,035,748.75/70,167,393.23
  6. Step 6: Final answer
    x = 27,533,389.90

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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.