Home / 70,266,962.78-96,971,439.48-38,905,011.92

Finding the Fourth Proportional to 70,266,962.78, 96,971,439.48 and 38,905,011.92

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Solution

The fourth proportional to 70,266,962.78, 96,971,439.48 and 38,905,011.92 is: 53,690,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,266,962.78 : 96,971,439.48 = 38,905,011.92 : x
  2. Step 2: Convert to fraction form
    70,266,962.78/96,971,439.48 = 38,905,011.92/x
  3. Step 3: Cross multiply
    70,266,962.78x = 96,971,439.48 × 38,905,011.92
  4. Step 4: Simplify right side
    70,266,962.78x = 3,772,675,008,868,959
  5. Step 5: Solve for x
    x = 3,772,675,008,868,959/70,266,962.78
  6. Step 6: Final answer
    x = 53,690,594.55

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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.