Home / 98,415,552.30-147,623,328.45-72,906,384.30

Finding the Fourth Proportional to 98,415,552.30, 147,623,328.45 and 72,906,384.30

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Solution

The fourth proportional to 98,415,552.30, 147,623,328.45 and 72,906,384.30 is: 109,359,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,552.30 : 147,623,328.45 = 72,906,384.30 : x
  2. Step 2: Convert to fraction form
    98,415,552.30/147,623,328.45 = 72,906,384.30/x
  3. Step 3: Cross multiply
    98,415,552.30x = 147,623,328.45 × 72,906,384.30
  4. Step 4: Simplify right side
    98,415,552.30x = 10,762,683,115,620,822
  5. Step 5: Solve for x
    x = 10,762,683,115,620,822/98,415,552.30
  6. Step 6: Final answer
    x = 109,359,576.45

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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.