Home / 149,896,658.13-206,841,462.95-82,904,970.87

Finding the Fourth Proportional to 149,896,658.13, 206,841,462.95 and 82,904,970.87

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Solution

The fourth proportional to 149,896,658.13, 206,841,462.95 and 82,904,970.87 is: 114,400,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,896,658.13 : 206,841,462.95 = 82,904,970.87 : x
  2. Step 2: Convert to fraction form
    149,896,658.13/206,841,462.95 = 82,904,970.87/x
  3. Step 3: Cross multiply
    149,896,658.13x = 206,841,462.95 × 82,904,970.87
  4. Step 4: Simplify right side
    149,896,658.13x = 17,148,185,460,163,410
  5. Step 5: Solve for x
    x = 17,148,185,460,163,410/149,896,658.13
  6. Step 6: Final answer
    x = 114,400,051.84

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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.