Home / 145,489,042.45-201,037,508.19-103,600,384.39

Finding the Fourth Proportional to 145,489,042.45, 201,037,508.19 and 103,600,384.39

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Solution

The fourth proportional to 145,489,042.45, 201,037,508.19 and 103,600,384.39 is: 143,155,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,489,042.45 : 201,037,508.19 = 103,600,384.39 : x
  2. Step 2: Convert to fraction form
    145,489,042.45/201,037,508.19 = 103,600,384.39/x
  3. Step 3: Cross multiply
    145,489,042.45x = 201,037,508.19 × 103,600,384.39
  4. Step 4: Simplify right side
    145,489,042.45x = 20,827,563,123,768,584
  5. Step 5: Solve for x
    x = 20,827,563,123,768,584/145,489,042.45
  6. Step 6: Final answer
    x = 143,155,544.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.