Home / 91,270,357.10-125,953,203.51-49,454,389.39

Finding the Fourth Proportional to 91,270,357.10, 125,953,203.51 and 49,454,389.39

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Solution

The fourth proportional to 91,270,357.10, 125,953,203.51 and 49,454,389.39 is: 68,247,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,270,357.10 : 125,953,203.51 = 49,454,389.39 : x
  2. Step 2: Convert to fraction form
    91,270,357.10/125,953,203.51 = 49,454,389.39/x
  3. Step 3: Cross multiply
    91,270,357.10x = 125,953,203.51 × 49,454,389.39
  4. Step 4: Simplify right side
    91,270,357.10x = 6,228,938,771,301,455
  5. Step 5: Solve for x
    x = 6,228,938,771,301,455/91,270,357.10
  6. Step 6: Final answer
    x = 68,247,117.35

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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.