Home / 85,208,854.80-127,813,282.20-57,999,075.60

Finding the Fourth Proportional to 85,208,854.80, 127,813,282.20 and 57,999,075.60

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Solution

The fourth proportional to 85,208,854.80, 127,813,282.20 and 57,999,075.60 is: 86,998,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,208,854.80 : 127,813,282.20 = 57,999,075.60 : x
  2. Step 2: Convert to fraction form
    85,208,854.80/127,813,282.20 = 57,999,075.60/x
  3. Step 3: Cross multiply
    85,208,854.80x = 127,813,282.20 × 57,999,075.60
  4. Step 4: Simplify right side
    85,208,854.80x = 7,413,052,217,001,935
  5. Step 5: Solve for x
    x = 7,413,052,217,001,935/85,208,854.80
  6. Step 6: Final answer
    x = 86,998,613.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.