Home / 98,415,096.30-147,622,644.45-72,905,928.30

Finding the Fourth Proportional to 98,415,096.30, 147,622,644.45 and 72,905,928.30

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Solution

The fourth proportional to 98,415,096.30, 147,622,644.45 and 72,905,928.30 is: 109,358,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,096.30 : 147,622,644.45 = 72,905,928.30 : x
  2. Step 2: Convert to fraction form
    98,415,096.30/147,622,644.45 = 72,905,928.30/x
  3. Step 3: Cross multiply
    98,415,096.30x = 147,622,644.45 × 72,905,928.30
  4. Step 4: Simplify right side
    98,415,096.30x = 10,762,565,931,728,092
  5. Step 5: Solve for x
    x = 10,762,565,931,728,092/98,415,096.30
  6. Step 6: Final answer
    x = 109,358,892.45

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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.