Home / 98,415,092.55-147,622,638.83-72,905,924.55

Finding the Fourth Proportional to 98,415,092.55, 147,622,638.83 and 72,905,924.55

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Solution

The fourth proportional to 98,415,092.55, 147,622,638.83 and 72,905,924.55 is: 109,358,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,092.55 : 147,622,638.83 = 72,905,924.55 : x
  2. Step 2: Convert to fraction form
    98,415,092.55/147,622,638.83 = 72,905,924.55/x
  3. Step 3: Cross multiply
    98,415,092.55x = 147,622,638.83 × 72,905,924.55
  4. Step 4: Simplify right side
    98,415,092.55x = 10,762,564,968,047,350
  5. Step 5: Solve for x
    x = 10,762,564,968,047,350/98,415,092.55
  6. Step 6: Final answer
    x = 109,358,886.83

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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.