Home / 66,742,638.70-100,113,958.05-23,660,488.30

Finding the Fourth Proportional to 66,742,638.70, 100,113,958.05 and 23,660,488.30

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Solution

The fourth proportional to 66,742,638.70, 100,113,958.05 and 23,660,488.30 is: 35,490,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,742,638.70 : 100,113,958.05 = 23,660,488.30 : x
  2. Step 2: Convert to fraction form
    66,742,638.70/100,113,958.05 = 23,660,488.30/x
  3. Step 3: Cross multiply
    66,742,638.70x = 100,113,958.05 × 23,660,488.30
  4. Step 4: Simplify right side
    66,742,638.70x = 2,368,745,133,108,716
  5. Step 5: Solve for x
    x = 2,368,745,133,108,716/66,742,638.70
  6. Step 6: Final answer
    x = 35,490,732.45

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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.