Home / 85,908,403.80-118,553,616.60-47,277,235.80

Finding the Fourth Proportional to 85,908,403.80, 118,553,616.60 and 47,277,235.80

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Solution

The fourth proportional to 85,908,403.80, 118,553,616.60 and 47,277,235.80 is: 65,242,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,908,403.80 : 118,553,616.60 = 47,277,235.80 : x
  2. Step 2: Convert to fraction form
    85,908,403.80/118,553,616.60 = 47,277,235.80/x
  3. Step 3: Cross multiply
    85,908,403.80x = 118,553,616.60 × 47,277,235.80
  4. Step 4: Simplify right side
    85,908,403.80x = 5,604,887,286,940,994
  5. Step 5: Solve for x
    x = 5,604,887,286,940,994/85,908,403.80
  6. Step 6: Final answer
    x = 65,242,596.06

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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.