Home / 155,415,998.70-233,061,012.45-53,127,384.30

Finding the Fourth Proportional to 155,415,998.70, 233,061,012.45 and 53,127,384.30

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Solution

The fourth proportional to 155,415,998.70, 233,061,012.45 and 53,127,384.30 is: 79,669,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,415,998.70 : 233,061,012.45 = 53,127,384.30 : x
  2. Step 2: Convert to fraction form
    155,415,998.70/233,061,012.45 = 53,127,384.30/x
  3. Step 3: Cross multiply
    155,415,998.70x = 233,061,012.45 × 53,127,384.30
  4. Step 4: Simplify right side
    155,415,998.70x = 12,381,921,973,778,234
  5. Step 5: Solve for x
    x = 12,381,921,973,778,234/155,415,998.70
  6. Step 6: Final answer
    x = 79,669,545.46

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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.