Home / 291,935,511.98-402,872,073.83-157,973,428.89

Finding the Fourth Proportional to 291,935,511.98, 402,872,073.83 and 157,973,428.89

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Solution

The fourth proportional to 291,935,511.98, 402,872,073.83 and 157,973,428.89 is: 218,003,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,935,511.98 : 402,872,073.83 = 157,973,428.89 : x
  2. Step 2: Convert to fraction form
    291,935,511.98/402,872,073.83 = 157,973,428.89/x
  3. Step 3: Cross multiply
    291,935,511.98x = 402,872,073.83 × 157,973,428.89
  4. Step 4: Simplify right side
    291,935,511.98x = 63,643,082,906,160,464
  5. Step 5: Solve for x
    x = 63,643,082,906,160,464/291,935,511.98
  6. Step 6: Final answer
    x = 218,003,909.41

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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.