Home / 560,081,826.95-840,115,982.51-145,521,965.57

Finding the Fourth Proportional to 560,081,826.95, 840,115,982.51 and 145,521,965.57

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Solution

The fourth proportional to 560,081,826.95, 840,115,982.51 and 145,521,965.57 is: 218,281,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,081,826.95 : 840,115,982.51 = 145,521,965.57 : x
  2. Step 2: Convert to fraction form
    560,081,826.95/840,115,982.51 = 145,521,965.57/x
  3. Step 3: Cross multiply
    560,081,826.95x = 840,115,982.51 × 145,521,965.57
  4. Step 4: Simplify right side
    560,081,826.95x = 122,255,329,080,899,328
  5. Step 5: Solve for x
    x = 122,255,329,080,899,328/560,081,826.95
  6. Step 6: Final answer
    x = 218,281,192.49

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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.