Home / 121,436,885.80-182,155,328.70-35,178,106.60

Finding the Fourth Proportional to 121,436,885.80, 182,155,328.70 and 35,178,106.60

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Solution

The fourth proportional to 121,436,885.80, 182,155,328.70 and 35,178,106.60 is: 52,767,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,436,885.80 : 182,155,328.70 = 35,178,106.60 : x
  2. Step 2: Convert to fraction form
    121,436,885.80/182,155,328.70 = 35,178,106.60/x
  3. Step 3: Cross multiply
    121,436,885.80x = 182,155,328.70 × 35,178,106.60
  4. Step 4: Simplify right side
    121,436,885.80x = 6,407,879,570,766,639
  5. Step 5: Solve for x
    x = 6,407,879,570,766,639/121,436,885.80
  6. Step 6: Final answer
    x = 52,767,159.90

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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.