Home / 193,671,492.12-290,335,235.31-75,468,884.94

Finding the Fourth Proportional to 193,671,492.12, 290,335,235.31 and 75,468,884.94

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Solution

The fourth proportional to 193,671,492.12, 290,335,235.31 and 75,468,884.94 is: 113,136,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,671,492.12 : 290,335,235.31 = 75,468,884.94 : x
  2. Step 2: Convert to fraction form
    193,671,492.12/290,335,235.31 = 75,468,884.94/x
  3. Step 3: Cross multiply
    193,671,492.12x = 290,335,235.31 × 75,468,884.94
  4. Step 4: Simplify right side
    193,671,492.12x = 21,911,276,467,638,216
  5. Step 5: Solve for x
    x = 21,911,276,467,638,216/193,671,492.12
  6. Step 6: Final answer
    x = 113,136,302.24

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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.