Home / 65,615,686.80-98,423,530.20-40,106,518.80

Finding the Fourth Proportional to 65,615,686.80, 98,423,530.20 and 40,106,518.80

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Solution

The fourth proportional to 65,615,686.80, 98,423,530.20 and 40,106,518.80 is: 60,159,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,615,686.80 : 98,423,530.20 = 40,106,518.80 : x
  2. Step 2: Convert to fraction form
    65,615,686.80/98,423,530.20 = 40,106,518.80/x
  3. Step 3: Cross multiply
    65,615,686.80x = 98,423,530.20 × 40,106,518.80
  4. Step 4: Simplify right side
    65,615,686.80x = 3,947,425,164,328,667.50
  5. Step 5: Solve for x
    x = 3,947,425,164,328,667.50/65,615,686.80
  6. Step 6: Final answer
    x = 60,159,778.20

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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.