Home / 70,066,072.91-96,689,307.31-38,703,446.91

Finding the Fourth Proportional to 70,066,072.91, 96,689,307.31 and 38,703,446.91

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Solution

The fourth proportional to 70,066,072.91, 96,689,307.31 and 38,703,446.91 is: 53,409,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,066,072.91 : 96,689,307.31 = 38,703,446.91 : x
  2. Step 2: Convert to fraction form
    70,066,072.91/96,689,307.31 = 38,703,446.91/x
  3. Step 3: Cross multiply
    70,066,072.91x = 96,689,307.31 × 38,703,446.91
  4. Step 4: Simplify right side
    70,066,072.91x = 3,742,209,472,140,501
  5. Step 5: Solve for x
    x = 3,742,209,472,140,501/70,066,072.91
  6. Step 6: Final answer
    x = 53,409,721.95

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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.