Home / 70,277,673.72-96,982,513.74-40,497,380.58

Finding the Fourth Proportional to 70,277,673.72, 96,982,513.74 and 40,497,380.58

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Solution

The fourth proportional to 70,277,673.72, 96,982,513.74 and 40,497,380.58 is: 55,885,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,277,673.72 : 96,982,513.74 = 40,497,380.58 : x
  2. Step 2: Convert to fraction form
    70,277,673.72/96,982,513.74 = 40,497,380.58/x
  3. Step 3: Cross multiply
    70,277,673.72x = 96,982,513.74 × 40,497,380.58
  4. Step 4: Simplify right side
    70,277,673.72x = 3,927,537,768,533,859
  5. Step 5: Solve for x
    x = 3,927,537,768,533,859/70,277,673.72
  6. Step 6: Final answer
    x = 55,885,995.66

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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.