Home / 185,886,912.60-278,830,368.90-111,910,325.40

Finding the Fourth Proportional to 185,886,912.60, 278,830,368.90 and 111,910,325.40

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Solution

The fourth proportional to 185,886,912.60, 278,830,368.90 and 111,910,325.40 is: 167,865,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,886,912.60 : 278,830,368.90 = 111,910,325.40 : x
  2. Step 2: Convert to fraction form
    185,886,912.60/278,830,368.90 = 111,910,325.40/x
  3. Step 3: Cross multiply
    185,886,912.60x = 278,830,368.90 × 111,910,325.40
  4. Step 4: Simplify right side
    185,886,912.60x = 31,203,997,315,001,040
  5. Step 5: Solve for x
    x = 31,203,997,315,001,040/185,886,912.60
  6. Step 6: Final answer
    x = 167,865,488.10

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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.