Home / 147,564,343.20-221,346,514.80-45,333,465.60

Finding the Fourth Proportional to 147,564,343.20, 221,346,514.80 and 45,333,465.60

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Solution

The fourth proportional to 147,564,343.20, 221,346,514.80 and 45,333,465.60 is: 68,000,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,564,343.20 : 221,346,514.80 = 45,333,465.60 : x
  2. Step 2: Convert to fraction form
    147,564,343.20/221,346,514.80 = 45,333,465.60/x
  3. Step 3: Cross multiply
    147,564,343.20x = 221,346,514.80 × 45,333,465.60
  4. Step 4: Simplify right side
    147,564,343.20x = 10,034,404,614,365,692
  5. Step 5: Solve for x
    x = 10,034,404,614,365,692/147,564,343.20
  6. Step 6: Final answer
    x = 68,000,198.40

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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.