Home / 139,929,594.17-193,108,680.34-77,209,760.80

Finding the Fourth Proportional to 139,929,594.17, 193,108,680.34 and 77,209,760.80

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Solution

The fourth proportional to 139,929,594.17, 193,108,680.34 and 77,209,760.80 is: 106,552,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,929,594.17 : 193,108,680.34 = 77,209,760.80 : x
  2. Step 2: Convert to fraction form
    139,929,594.17/193,108,680.34 = 77,209,760.80/x
  3. Step 3: Cross multiply
    139,929,594.17x = 193,108,680.34 × 77,209,760.80
  4. Step 4: Simplify right side
    139,929,594.17x = 14,909,875,017,992,264
  5. Step 5: Solve for x
    x = 14,909,875,017,992,264/139,929,594.17
  6. Step 6: Final answer
    x = 106,552,692.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.