Home / 84,565,009.30-126,847,513.95-64,409,617.30

Finding the Fourth Proportional to 84,565,009.30, 126,847,513.95 and 64,409,617.30

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Solution

The fourth proportional to 84,565,009.30, 126,847,513.95 and 64,409,617.30 is: 96,614,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,565,009.30 : 126,847,513.95 = 64,409,617.30 : x
  2. Step 2: Convert to fraction form
    84,565,009.30/126,847,513.95 = 64,409,617.30/x
  3. Step 3: Cross multiply
    84,565,009.30x = 126,847,513.95 × 64,409,617.30
  4. Step 4: Simplify right side
    84,565,009.30x = 8,170,199,828,975,911
  5. Step 5: Solve for x
    x = 8,170,199,828,975,911/84,565,009.30
  6. Step 6: Final answer
    x = 96,614,425.95

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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.