Home / 191,964,001.40-287,946,002.10-123,089,247.80

Finding the Fourth Proportional to 191,964,001.40, 287,946,002.10 and 123,089,247.80

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Solution

The fourth proportional to 191,964,001.40, 287,946,002.10 and 123,089,247.80 is: 184,633,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,964,001.40 : 287,946,002.10 = 123,089,247.80 : x
  2. Step 2: Convert to fraction form
    191,964,001.40/287,946,002.10 = 123,089,247.80/x
  3. Step 3: Cross multiply
    191,964,001.40x = 287,946,002.10 × 123,089,247.80
  4. Step 4: Simplify right side
    191,964,001.40x = 35,443,056,805,506,224
  5. Step 5: Solve for x
    x = 35,443,056,805,506,224/191,964,001.40
  6. Step 6: Final answer
    x = 184,633,871.70

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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.