Home / 56,938,701.84-85,390,388.19-20,542,360.74

Finding the Fourth Proportional to 56,938,701.84, 85,390,388.19 and 20,542,360.74

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Solution

The fourth proportional to 56,938,701.84, 85,390,388.19 and 20,542,360.74 is: 30,807,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,701.84 : 85,390,388.19 = 20,542,360.74 : x
  2. Step 2: Convert to fraction form
    56,938,701.84/85,390,388.19 = 20,542,360.74/x
  3. Step 3: Cross multiply
    56,938,701.84x = 85,390,388.19 × 20,542,360.74
  4. Step 4: Simplify right side
    56,938,701.84x = 1,754,120,157,927,615.50
  5. Step 5: Solve for x
    x = 1,754,120,157,927,615.50/56,938,701.84
  6. Step 6: Final answer
    x = 30,807,168.08

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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.