Home / 106,525,353.32-147,106,513.04-100,721,932.85

Finding the Fourth Proportional to 106,525,353.32, 147,106,513.04 and 100,721,932.85

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Solution

The fourth proportional to 106,525,353.32, 147,106,513.04 and 100,721,932.85 is: 139,092,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,525,353.32 : 147,106,513.04 = 100,721,932.85 : x
  2. Step 2: Convert to fraction form
    106,525,353.32/147,106,513.04 = 100,721,932.85/x
  3. Step 3: Cross multiply
    106,525,353.32x = 147,106,513.04 × 100,721,932.85
  4. Step 4: Simplify right side
    106,525,353.32x = 14,816,852,328,643,752
  5. Step 5: Solve for x
    x = 14,816,852,328,643,752/106,525,353.32
  6. Step 6: Final answer
    x = 139,092,261.77

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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.