Home / 112,075,391.20-168,113,086.80-39,374,262.40

Finding the Fourth Proportional to 112,075,391.20, 168,113,086.80 and 39,374,262.40

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Solution

The fourth proportional to 112,075,391.20, 168,113,086.80 and 39,374,262.40 is: 59,061,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075,391.20 : 168,113,086.80 = 39,374,262.40 : x
  2. Step 2: Convert to fraction form
    112,075,391.20/168,113,086.80 = 39,374,262.40/x
  3. Step 3: Cross multiply
    112,075,391.20x = 168,113,086.80 × 39,374,262.40
  4. Step 4: Simplify right side
    112,075,391.20x = 6,619,328,792,537,177
  5. Step 5: Solve for x
    x = 6,619,328,792,537,177/112,075,391.20
  6. Step 6: Final answer
    x = 59,061,393.60

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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.