Home / 103,605,062.72-155,330,979.81-62,655,398.05

Finding the Fourth Proportional to 103,605,062.72, 155,330,979.81 and 62,655,398.05

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Solution

The fourth proportional to 103,605,062.72, 155,330,979.81 and 62,655,398.05 is: 93,936,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,605,062.72 : 155,330,979.81 = 62,655,398.05 : x
  2. Step 2: Convert to fraction form
    103,605,062.72/155,330,979.81 = 62,655,398.05/x
  3. Step 3: Cross multiply
    103,605,062.72x = 155,330,979.81 × 62,655,398.05
  4. Step 4: Simplify right side
    103,605,062.72x = 9,732,324,369,492,064
  5. Step 5: Solve for x
    x = 9,732,324,369,492,064/103,605,062.72
  6. Step 6: Final answer
    x = 93,936,764.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.