Home / 190,927,460.80-286,391,191.20-118,368,049.60

Finding the Fourth Proportional to 190,927,460.80, 286,391,191.20 and 118,368,049.60

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Solution

The fourth proportional to 190,927,460.80, 286,391,191.20 and 118,368,049.60 is: 177,552,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,927,460.80 : 286,391,191.20 = 118,368,049.60 : x
  2. Step 2: Convert to fraction form
    190,927,460.80/286,391,191.20 = 118,368,049.60/x
  3. Step 3: Cross multiply
    190,927,460.80x = 286,391,191.20 × 118,368,049.60
  4. Step 4: Simplify right side
    190,927,460.80x = 33,899,566,724,964,680
  5. Step 5: Solve for x
    x = 33,899,566,724,964,680/190,927,460.80
  6. Step 6: Final answer
    x = 177,552,074.40

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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.