Home / 100,871,352.72-139,211,044.20-56,827,000.08

Finding the Fourth Proportional to 100,871,352.72, 139,211,044.20 and 56,827,000.08

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Solution

The fourth proportional to 100,871,352.72, 139,211,044.20 and 56,827,000.08 is: 78,426,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,871,352.72 : 139,211,044.20 = 56,827,000.08 : x
  2. Step 2: Convert to fraction form
    100,871,352.72/139,211,044.20 = 56,827,000.08/x
  3. Step 3: Cross multiply
    100,871,352.72x = 139,211,044.20 × 56,827,000.08
  4. Step 4: Simplify right side
    100,871,352.72x = 7,910,946,019,890,283
  5. Step 5: Solve for x
    x = 7,910,946,019,890,283/100,871,352.72
  6. Step 6: Final answer
    x = 78,426,092.31

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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.