Home / 101,362,240.85-139,885,323.59-56,705,548.95

Finding the Fourth Proportional to 101,362,240.85, 139,885,323.59 and 56,705,548.95

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Solution

The fourth proportional to 101,362,240.85, 139,885,323.59 and 56,705,548.95 is: 78,256,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,362,240.85 : 139,885,323.59 = 56,705,548.95 : x
  2. Step 2: Convert to fraction form
    101,362,240.85/139,885,323.59 = 56,705,548.95/x
  3. Step 3: Cross multiply
    101,362,240.85x = 139,885,323.59 × 56,705,548.95
  4. Step 4: Simplify right side
    101,362,240.85x = 7,932,274,064,361,099
  5. Step 5: Solve for x
    x = 7,932,274,064,361,099/101,362,240.85
  6. Step 6: Final answer
    x = 78,256,695.97

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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.