Home / 112,103,139.60-168,154,709.40-60,447,074.40

Finding the Fourth Proportional to 112,103,139.60, 168,154,709.40 and 60,447,074.40

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Solution

The fourth proportional to 112,103,139.60, 168,154,709.40 and 60,447,074.40 is: 90,670,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103,139.60 : 168,154,709.40 = 60,447,074.40 : x
  2. Step 2: Convert to fraction form
    112,103,139.60/168,154,709.40 = 60,447,074.40/x
  3. Step 3: Cross multiply
    112,103,139.60x = 168,154,709.40 × 60,447,074.40
  4. Step 4: Simplify right side
    112,103,139.60x = 10,164,460,229,812,180
  5. Step 5: Solve for x
    x = 10,164,460,229,812,180/112,103,139.60
  6. Step 6: Final answer
    x = 90,670,611.60

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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.