Home / 85,932,000.22-128,896,738.26-21,235,803.52

Finding the Fourth Proportional to 85,932,000.22, 128,896,738.26 and 21,235,803.52

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Solution

The fourth proportional to 85,932,000.22, 128,896,738.26 and 21,235,803.52 is: 31,853,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,932,000.22 : 128,896,738.26 = 21,235,803.52 : x
  2. Step 2: Convert to fraction form
    85,932,000.22/128,896,738.26 = 21,235,803.52/x
  3. Step 3: Cross multiply
    85,932,000.22x = 128,896,738.26 × 21,235,803.52
  4. Step 4: Simplify right side
    85,932,000.22x = 2,737,225,808,058,226.50
  5. Step 5: Solve for x
    x = 2,737,225,808,058,226.50/85,932,000.22
  6. Step 6: Final answer
    x = 31,853,393.39

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1.5x scale

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.