Home / 129,290,441.22-178,424,600.76-70,556,898.51

Finding the Fourth Proportional to 129,290,441.22, 178,424,600.76 and 70,556,898.51

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Solution

The fourth proportional to 129,290,441.22, 178,424,600.76 and 70,556,898.51 is: 97,370,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,290,441.22 : 178,424,600.76 = 70,556,898.51 : x
  2. Step 2: Convert to fraction form
    129,290,441.22/178,424,600.76 = 70,556,898.51/x
  3. Step 3: Cross multiply
    129,290,441.22x = 178,424,600.76 × 70,556,898.51
  4. Step 4: Simplify right side
    129,290,441.22x = 12,589,086,447,510,590
  5. Step 5: Solve for x
    x = 12,589,086,447,510,590/129,290,441.22
  6. Step 6: Final answer
    x = 97,370,589.26

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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.