Home / 70,066,072.05-96,689,306.10-38,703,446.04

Finding the Fourth Proportional to 70,066,072.05, 96,689,306.10 and 38,703,446.04

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Solution

The fourth proportional to 70,066,072.05, 96,689,306.10 and 38,703,446.04 is: 53,409,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,066,072.05 : 96,689,306.10 = 38,703,446.04 : x
  2. Step 2: Convert to fraction form
    70,066,072.05/96,689,306.10 = 38,703,446.04/x
  3. Step 3: Cross multiply
    70,066,072.05x = 96,689,306.10 × 38,703,446.04
  4. Step 4: Simplify right side
    70,066,072.05x = 3,742,209,341,286,392.50
  5. Step 5: Solve for x
    x = 3,742,209,341,286,392.50/70,066,072.05
  6. Step 6: Final answer
    x = 53,409,720.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.