Home / 291,884,648.51-402,800,846.82-159,725,673.02

Finding the Fourth Proportional to 291,884,648.51, 402,800,846.82 and 159,725,673.02

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Solution

The fourth proportional to 291,884,648.51, 402,800,846.82 and 159,725,673.02 is: 220,421,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,884,648.51 : 402,800,846.82 = 159,725,673.02 : x
  2. Step 2: Convert to fraction form
    291,884,648.51/402,800,846.82 = 159,725,673.02/x
  3. Step 3: Cross multiply
    291,884,648.51x = 402,800,846.82 × 159,725,673.02
  4. Step 4: Simplify right side
    291,884,648.51x = 64,337,636,351,350,432
  5. Step 5: Solve for x
    x = 64,337,636,351,350,432/291,884,648.51
  6. Step 6: Final answer
    x = 220,421,446.21

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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.