Home / 91,315,706.88-126,008,681.76-52,152,077.28

Finding the Fourth Proportional to 91,315,706.88, 126,008,681.76 and 52,152,077.28

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Solution

The fourth proportional to 91,315,706.88, 126,008,681.76 and 52,152,077.28 is: 71,965,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,315,706.88 : 126,008,681.76 = 52,152,077.28 : x
  2. Step 2: Convert to fraction form
    91,315,706.88/126,008,681.76 = 52,152,077.28/x
  3. Step 3: Cross multiply
    91,315,706.88x = 126,008,681.76 × 52,152,077.28
  4. Step 4: Simplify right side
    91,315,706.88x = 6,571,614,509,098,447
  5. Step 5: Solve for x
    x = 6,571,614,509,098,447/91,315,706.88
  6. Step 6: Final answer
    x = 71,965,872.40

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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.