Home / 98,415,114.30-147,622,671.45-72,905,946.30

Finding the Fourth Proportional to 98,415,114.30, 147,622,671.45 and 72,905,946.30

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Solution

The fourth proportional to 98,415,114.30, 147,622,671.45 and 72,905,946.30 is: 109,358,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,114.30 : 147,622,671.45 = 72,905,946.30 : x
  2. Step 2: Convert to fraction form
    98,415,114.30/147,622,671.45 = 72,905,946.30/x
  3. Step 3: Cross multiply
    98,415,114.30x = 147,622,671.45 × 72,905,946.30
  4. Step 4: Simplify right side
    98,415,114.30x = 10,762,570,557,396,242
  5. Step 5: Solve for x
    x = 10,762,570,557,396,242/98,415,114.30
  6. Step 6: Final answer
    x = 109,358,919.45

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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.