Home / 70,108,679.63-96,748,195.48-39,169,081.28

Finding the Fourth Proportional to 70,108,679.63, 96,748,195.48 and 39,169,081.28

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Solution

The fourth proportional to 70,108,679.63, 96,748,195.48 and 39,169,081.28 is: 54,052,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,108,679.63 : 96,748,195.48 = 39,169,081.28 : x
  2. Step 2: Convert to fraction form
    70,108,679.63/96,748,195.48 = 39,169,081.28/x
  3. Step 3: Cross multiply
    70,108,679.63x = 96,748,195.48 × 39,169,081.28
  4. Step 4: Simplify right side
    70,108,679.63x = 3,789,537,931,867,785
  5. Step 5: Solve for x
    x = 3,789,537,931,867,785/70,108,679.63
  6. Step 6: Final answer
    x = 54,052,336.35

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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.