Home / 45,139,731.87-67,688,257.08-17,486,602.32

Finding the Fourth Proportional to 45,139,731.87, 67,688,257.08 and 17,486,602.32

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Solution

The fourth proportional to 45,139,731.87, 67,688,257.08 and 17,486,602.32 is: 26,221,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,731.87 : 67,688,257.08 = 17,486,602.32 : x
  2. Step 2: Convert to fraction form
    45,139,731.87/67,688,257.08 = 17,486,602.32/x
  3. Step 3: Cross multiply
    45,139,731.87x = 67,688,257.08 × 17,486,602.32
  4. Step 4: Simplify right side
    45,139,731.87x = 1,183,637,633,291,884.50
  5. Step 5: Solve for x
    x = 1,183,637,633,291,884.50/45,139,731.87
  6. Step 6: Final answer
    x = 26,221,636.33

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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.