Home / 72,938,534.40-109,407,801.60-55,932,422.40

Finding the Fourth Proportional to 72,938,534.40, 109,407,801.60 and 55,932,422.40

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Solution

The fourth proportional to 72,938,534.40, 109,407,801.60 and 55,932,422.40 is: 83,898,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,938,534.40 : 109,407,801.60 = 55,932,422.40 : x
  2. Step 2: Convert to fraction form
    72,938,534.40/109,407,801.60 = 55,932,422.40/x
  3. Step 3: Cross multiply
    72,938,534.40x = 109,407,801.60 × 55,932,422.40
  4. Step 4: Simplify right side
    72,938,534.40x = 6,119,443,372,946,595
  5. Step 5: Solve for x
    x = 6,119,443,372,946,595/72,938,534.40
  6. Step 6: Final answer
    x = 83,898,633.60

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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.