Home / 191,964,000.40-287,946,000.60-123,089,246.80

Finding the Fourth Proportional to 191,964,000.40, 287,946,000.60 and 123,089,246.80

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Solution

The fourth proportional to 191,964,000.40, 287,946,000.60 and 123,089,246.80 is: 184,633,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,964,000.40 : 287,946,000.60 = 123,089,246.80 : x
  2. Step 2: Convert to fraction form
    191,964,000.40/287,946,000.60 = 123,089,246.80/x
  3. Step 3: Cross multiply
    191,964,000.40x = 287,946,000.60 × 123,089,246.80
  4. Step 4: Simplify right side
    191,964,000.40x = 35,443,056,332,926,352
  5. Step 5: Solve for x
    x = 35,443,056,332,926,352/191,964,000.40
  6. Step 6: Final answer
    x = 184,633,870.20

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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.