Home / 76,165,870.89-114,169,074.87-31,875,533.64

Finding the Fourth Proportional to 76,165,870.89, 114,169,074.87 and 31,875,533.64

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Solution

The fourth proportional to 76,165,870.89, 114,169,074.87 and 31,875,533.64 is: 47,779,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165,870.89 : 114,169,074.87 = 31,875,533.64 : x
  2. Step 2: Convert to fraction form
    76,165,870.89/114,169,074.87 = 31,875,533.64/x
  3. Step 3: Cross multiply
    76,165,870.89x = 114,169,074.87 × 31,875,533.64
  4. Step 4: Simplify right side
    76,165,870.89x = 3,639,200,186,666,364
  5. Step 5: Solve for x
    x = 3,639,200,186,666,364/76,165,870.89
  6. Step 6: Final answer
    x = 47,779,932.72

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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.