Home / 101,668,113.80-140,303,417.54-55,258,353.80

Finding the Fourth Proportional to 101,668,113.80, 140,303,417.54 and 55,258,353.80

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Solution

The fourth proportional to 101,668,113.80, 140,303,417.54 and 55,258,353.80 is: 76,257,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,668,113.80 : 140,303,417.54 = 55,258,353.80 : x
  2. Step 2: Convert to fraction form
    101,668,113.80/140,303,417.54 = 55,258,353.80/x
  3. Step 3: Cross multiply
    101,668,113.80x = 140,303,417.54 × 55,258,353.80
  4. Step 4: Simplify right side
    101,668,113.80x = 7,752,935,885,774,445
  5. Step 5: Solve for x
    x = 7,752,935,885,774,445/101,668,113.80
  6. Step 6: Final answer
    x = 76,257,300.31

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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.