Home / 65,831,126.15-98,782,841.35-38,198,830.60

Finding the Fourth Proportional to 65,831,126.15, 98,782,841.35 and 38,198,830.60

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Solution

The fourth proportional to 65,831,126.15, 98,782,841.35 and 38,198,830.60 is: 57,319,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,831,126.15 : 98,782,841.35 = 38,198,830.60 : x
  2. Step 2: Convert to fraction form
    65,831,126.15/98,782,841.35 = 38,198,830.60/x
  3. Step 3: Cross multiply
    65,831,126.15x = 98,782,841.35 × 38,198,830.60
  4. Step 4: Simplify right side
    65,831,126.15x = 3,773,389,023,086,552
  5. Step 5: Solve for x
    x = 3,773,389,023,086,552/65,831,126.15
  6. Step 6: Final answer
    x = 57,319,223.35

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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.