Home / 85,326,005.52-117,749,811.42-48,164,108.04

Finding the Fourth Proportional to 85,326,005.52, 117,749,811.42 and 48,164,108.04

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Solution

The fourth proportional to 85,326,005.52, 117,749,811.42 and 48,164,108.04 is: 66,466,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,326,005.52 : 117,749,811.42 = 48,164,108.04 : x
  2. Step 2: Convert to fraction form
    85,326,005.52/117,749,811.42 = 48,164,108.04/x
  3. Step 3: Cross multiply
    85,326,005.52x = 117,749,811.42 × 48,164,108.04
  4. Step 4: Simplify right side
    85,326,005.52x = 5,671,314,638,922,506
  5. Step 5: Solve for x
    x = 5,671,314,638,922,506/85,326,005.52
  6. Step 6: Final answer
    x = 66,466,426.08

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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.