Home / 130,219,925.14-179,702,787.36-71,483,589.82

Finding the Fourth Proportional to 130,219,925.14, 179,702,787.36 and 71,483,589.82

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Solution

The fourth proportional to 130,219,925.14, 179,702,787.36 and 71,483,589.82 is: 98,646,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,219,925.14 : 179,702,787.36 = 71,483,589.82 : x
  2. Step 2: Convert to fraction form
    130,219,925.14/179,702,787.36 = 71,483,589.82/x
  3. Step 3: Cross multiply
    130,219,925.14x = 179,702,787.36 × 71,483,589.82
  4. Step 4: Simplify right side
    130,219,925.14x = 12,845,800,341,152,920
  5. Step 5: Solve for x
    x = 12,845,800,341,152,920/130,219,925.14
  6. Step 6: Final answer
    x = 98,646,964.57

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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.