Home / 101,210,703.30-139,566,381.21-86,574,822.66

Finding the Fourth Proportional to 101,210,703.30, 139,566,381.21 and 86,574,822.66

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Solution

The fourth proportional to 101,210,703.30, 139,566,381.21 and 86,574,822.66 is: 119,383,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,210,703.30 : 139,566,381.21 = 86,574,822.66 : x
  2. Step 2: Convert to fraction form
    101,210,703.30/139,566,381.21 = 86,574,822.66/x
  3. Step 3: Cross multiply
    101,210,703.30x = 139,566,381.21 × 86,574,822.66
  4. Step 4: Simplify right side
    101,210,703.30x = 12,082,934,702,553,706
  5. Step 5: Solve for x
    x = 12,082,934,702,553,706/101,210,703.30
  6. Step 6: Final answer
    x = 119,383,961.46

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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.