Home / 112,075,429.20-168,113,143.80-39,374,300.40

Finding the Fourth Proportional to 112,075,429.20, 168,113,143.80 and 39,374,300.40

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Solution

The fourth proportional to 112,075,429.20, 168,113,143.80 and 39,374,300.40 is: 59,061,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075,429.20 : 168,113,143.80 = 39,374,300.40 : x
  2. Step 2: Convert to fraction form
    112,075,429.20/168,113,143.80 = 39,374,300.40/x
  3. Step 3: Cross multiply
    112,075,429.20x = 168,113,143.80 × 39,374,300.40
  4. Step 4: Simplify right side
    112,075,429.20x = 6,619,337,425,169,598
  5. Step 5: Solve for x
    x = 6,619,337,425,169,598/112,075,429.20
  6. Step 6: Final answer
    x = 59,061,450.60

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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.