Home / 76,453,783.32-105,506,364.06-45,515,023.32

Finding the Fourth Proportional to 76,453,783.32, 105,506,364.06 and 45,515,023.32

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Solution

The fourth proportional to 76,453,783.32, 105,506,364.06 and 45,515,023.32 is: 62,810,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,453,783.32 : 105,506,364.06 = 45,515,023.32 : x
  2. Step 2: Convert to fraction form
    76,453,783.32/105,506,364.06 = 45,515,023.32/x
  3. Step 3: Cross multiply
    76,453,783.32x = 105,506,364.06 × 45,515,023.32
  4. Step 4: Simplify right side
    76,453,783.32x = 4,802,124,620,599,310
  5. Step 5: Solve for x
    x = 4,802,124,620,599,310/76,453,783.32
  6. Step 6: Final answer
    x = 62,810,817.36

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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.