Home / 70,167,767.13-105,243,609.32-18,357,369.49

Finding the Fourth Proportional to 70,167,767.13, 105,243,609.32 and 18,357,369.49

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Solution

The fourth proportional to 70,167,767.13, 105,243,609.32 and 18,357,369.49 is: 27,533,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167,767.13 : 105,243,609.32 = 18,357,369.49 : x
  2. Step 2: Convert to fraction form
    70,167,767.13/105,243,609.32 = 18,357,369.49/x
  3. Step 3: Cross multiply
    70,167,767.13x = 105,243,609.32 × 18,357,369.49
  4. Step 4: Simplify right side
    70,167,767.13x = 1,931,995,822,857,055.50
  5. Step 5: Solve for x
    x = 1,931,995,822,857,055.50/70,167,767.13
  6. Step 6: Final answer
    x = 27,533,950.44

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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.