Home / 112,095,271.90-168,142,907.85-81,484,270.30

Finding the Fourth Proportional to 112,095,271.90, 168,142,907.85 and 81,484,270.30

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Solution

The fourth proportional to 112,095,271.90, 168,142,907.85 and 81,484,270.30 is: 122,226,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,095,271.90 : 168,142,907.85 = 81,484,270.30 : x
  2. Step 2: Convert to fraction form
    112,095,271.90/168,142,907.85 = 81,484,270.30/x
  3. Step 3: Cross multiply
    112,095,271.90x = 168,142,907.85 × 81,484,270.30
  4. Step 4: Simplify right side
    112,095,271.90x = 13,701,002,152,277,390
  5. Step 5: Solve for x
    x = 13,701,002,152,277,390/112,095,271.90
  6. Step 6: Final answer
    x = 122,226,405.45

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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.