Home / 99,922,438.85-137,850,741.45-66,893,328.68

Finding the Fourth Proportional to 99,922,438.85, 137,850,741.45 and 66,893,328.68

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Solution

The fourth proportional to 99,922,438.85, 137,850,741.45 and 66,893,328.68 is: 92,284,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,922,438.85 : 137,850,741.45 = 66,893,328.68 : x
  2. Step 2: Convert to fraction form
    99,922,438.85/137,850,741.45 = 66,893,328.68/x
  3. Step 3: Cross multiply
    99,922,438.85x = 137,850,741.45 × 66,893,328.68
  4. Step 4: Simplify right side
    99,922,438.85x = 9,221,294,955,907,294
  5. Step 5: Solve for x
    x = 9,221,294,955,907,294/99,922,438.85
  6. Step 6: Final answer
    x = 92,284,526.50

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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.