Home / 91,249,442.55-125,923,712.97-49,434,322.41

Finding the Fourth Proportional to 91,249,442.55, 125,923,712.97 and 49,434,322.41

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Solution

The fourth proportional to 91,249,442.55, 125,923,712.97 and 49,434,322.41 is: 68,219,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,249,442.55 : 125,923,712.97 = 49,434,322.41 : x
  2. Step 2: Convert to fraction form
    91,249,442.55/125,923,712.97 = 49,434,322.41/x
  3. Step 3: Cross multiply
    91,249,442.55x = 125,923,712.97 × 49,434,322.41
  4. Step 4: Simplify right side
    91,249,442.55x = 6,224,953,426,023,278
  5. Step 5: Solve for x
    x = 6,224,953,426,023,278/91,249,442.55
  6. Step 6: Final answer
    x = 68,219,084.44

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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.