Home / 109,326,494.61-150,872,355.68-65,277,342.72

Finding the Fourth Proportional to 109,326,494.61, 150,872,355.68 and 65,277,342.72

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Solution

The fourth proportional to 109,326,494.61, 150,872,355.68 and 65,277,342.72 is: 90,083,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,326,494.61 : 150,872,355.68 = 65,277,342.72 : x
  2. Step 2: Convert to fraction form
    109,326,494.61/150,872,355.68 = 65,277,342.72/x
  3. Step 3: Cross multiply
    109,326,494.61x = 150,872,355.68 × 65,277,342.72
  4. Step 4: Simplify right side
    109,326,494.61x = 9,848,546,468,370,712
  5. Step 5: Solve for x
    x = 9,848,546,468,370,712/109,326,494.61
  6. Step 6: Final answer
    x = 90,083,803.60

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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.