Home / 159,018,673.40-238,528,010.10-140,878,820.60

Finding the Fourth Proportional to 159,018,673.40, 238,528,010.10 and 140,878,820.60

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Solution

The fourth proportional to 159,018,673.40, 238,528,010.10 and 140,878,820.60 is: 211,318,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,018,673.40 : 238,528,010.10 = 140,878,820.60 : x
  2. Step 2: Convert to fraction form
    159,018,673.40/238,528,010.10 = 140,878,820.60/x
  3. Step 3: Cross multiply
    159,018,673.40x = 238,528,010.10 × 140,878,820.60
  4. Step 4: Simplify right side
    159,018,673.40x = 33,603,544,742,952,884
  5. Step 5: Solve for x
    x = 33,603,544,742,952,884/159,018,673.40
  6. Step 6: Final answer
    x = 211,318,230.90

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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.