Home / 146,139,118.10-201,671,966.19-87,401,773.79

Finding the Fourth Proportional to 146,139,118.10, 201,671,966.19 and 87,401,773.79

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Solution

The fourth proportional to 146,139,118.10, 201,671,966.19 and 87,401,773.79 is: 120,614,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139,118.10 : 201,671,966.19 = 87,401,773.79 : x
  2. Step 2: Convert to fraction form
    146,139,118.10/201,671,966.19 = 87,401,773.79/x
  3. Step 3: Cross multiply
    146,139,118.10x = 201,671,966.19 × 87,401,773.79
  4. Step 4: Simplify right side
    146,139,118.10x = 17,626,487,567,714,548
  5. Step 5: Solve for x
    x = 17,626,487,567,714,548/146,139,118.10
  6. Step 6: Final answer
    x = 120,614,437.79

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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.