Home / 347,579,140-521,435,848.56-132,151,637.92

Finding the Fourth Proportional to 347,579,140, 521,435,848.56 and 132,151,637.92

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Solution

The fourth proportional to 347,579,140, 521,435,848.56 and 132,151,637.92 is: 198,252,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,579,140 : 521,435,848.56 = 132,151,637.92 : x
  2. Step 2: Convert to fraction form
    347,579,140/521,435,848.56 = 132,151,637.92/x
  3. Step 3: Cross multiply
    347,579,140x = 521,435,848.56 × 132,151,637.92
  4. Step 4: Simplify right side
    347,579,140x = 68,908,601,457,409,072
  5. Step 5: Solve for x
    x = 68,908,601,457,409,072/347,579,140
  6. Step 6: Final answer
    x = 198,252,983.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.