Home / 76,176,030.10-114,264,045.15-72,460,138.90

Finding the Fourth Proportional to 76,176,030.10, 114,264,045.15 and 72,460,138.90

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Solution

The fourth proportional to 76,176,030.10, 114,264,045.15 and 72,460,138.90 is: 108,690,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,176,030.10 : 114,264,045.15 = 72,460,138.90 : x
  2. Step 2: Convert to fraction form
    76,176,030.10/114,264,045.15 = 72,460,138.90/x
  3. Step 3: Cross multiply
    76,176,030.10x = 114,264,045.15 × 72,460,138.90
  4. Step 4: Simplify right side
    76,176,030.10x = 8,279,588,582,844,872
  5. Step 5: Solve for x
    x = 8,279,588,582,844,872/76,176,030.10
  6. Step 6: Final answer
    x = 108,690,208.35

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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.