Home / 65,565,901.13-90,492,790.43-39,105,952.97

Finding the Fourth Proportional to 65,565,901.13, 90,492,790.43 and 39,105,952.97

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Solution

The fourth proportional to 65,565,901.13, 90,492,790.43 and 39,105,952.97 is: 53,973,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,565,901.13 : 90,492,790.43 = 39,105,952.97 : x
  2. Step 2: Convert to fraction form
    65,565,901.13/90,492,790.43 = 39,105,952.97/x
  3. Step 3: Cross multiply
    65,565,901.13x = 90,492,790.43 × 39,105,952.97
  4. Step 4: Simplify right side
    65,565,901.13x = 3,538,806,806,484,116
  5. Step 5: Solve for x
    x = 3,538,806,806,484,116/65,565,901.13
  6. Step 6: Final answer
    x = 53,973,281.01

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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.