Home / 560,081,826.45-840,115,981.76-145,521,965.07

Finding the Fourth Proportional to 560,081,826.45, 840,115,981.76 and 145,521,965.07

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Solution

The fourth proportional to 560,081,826.45, 840,115,981.76 and 145,521,965.07 is: 218,281,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,081,826.45 : 840,115,981.76 = 145,521,965.07 : x
  2. Step 2: Convert to fraction form
    560,081,826.45/840,115,981.76 = 145,521,965.07/x
  3. Step 3: Cross multiply
    560,081,826.45x = 840,115,981.76 × 145,521,965.07
  4. Step 4: Simplify right side
    560,081,826.45x = 122,255,328,551,699,856
  5. Step 5: Solve for x
    x = 122,255,328,551,699,856/560,081,826.45
  6. Step 6: Final answer
    x = 218,281,191.74

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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.