Home / 85,679,998.25-118,235,081.59-46,520,878.87

Finding the Fourth Proportional to 85,679,998.25, 118,235,081.59 and 46,520,878.87

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Solution

The fourth proportional to 85,679,998.25, 118,235,081.59 and 46,520,878.87 is: 64,197,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,679,998.25 : 118,235,081.59 = 46,520,878.87 : x
  2. Step 2: Convert to fraction form
    85,679,998.25/118,235,081.59 = 46,520,878.87/x
  3. Step 3: Cross multiply
    85,679,998.25x = 118,235,081.59 × 46,520,878.87
  4. Step 4: Simplify right side
    85,679,998.25x = 5,500,399,908,832,957
  5. Step 5: Solve for x
    x = 5,500,399,908,832,957/85,679,998.25
  6. Step 6: Final answer
    x = 64,197,012.39

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1.5x scale

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.