Home / 72,871,394,006.70-109,307,091,010.05-43,460,646,000.30

Finding the Fourth Proportional to 72,871,394,006.70, 109,307,091,010.05 and 43,460,646,000.30

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Solution

The fourth proportional to 72,871,394,006.70, 109,307,091,010.05 and 43,460,646,000.30 is: 65,190,969,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,871,394,006.70 : 109,307,091,010.05 = 43,460,646,000.30 : x
  2. Step 2: Convert to fraction form
    72,871,394,006.70/109,307,091,010.05 = 43,460,646,000.30/x
  3. Step 3: Cross multiply
    72,871,394,006.70x = 109,307,091,010.05 × 43,460,646,000.30
  4. Step 4: Simplify right side
    72,871,394,006.70x = 4,750,556,787,710,358,454,272
  5. Step 5: Solve for x
    x = 4,750,556,787,710,358,454,272/72,871,394,006.70
  6. Step 6: Final answer
    x = 65,190,969,000.45

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1.5x scale

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.