Home / 76,667,260.52-105,788,340.60-45,300,948.08

Finding the Fourth Proportional to 76,667,260.52, 105,788,340.60 and 45,300,948.08

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Solution

The fourth proportional to 76,667,260.52, 105,788,340.60 and 45,300,948.08 is: 62,507,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,667,260.52 : 105,788,340.60 = 45,300,948.08 : x
  2. Step 2: Convert to fraction form
    76,667,260.52/105,788,340.60 = 45,300,948.08/x
  3. Step 3: Cross multiply
    76,667,260.52x = 105,788,340.60 × 45,300,948.08
  4. Step 4: Simplify right side
    76,667,260.52x = 4,792,312,124,989,956
  5. Step 5: Solve for x
    x = 4,792,312,124,989,956/76,667,260.52
  6. Step 6: Final answer
    x = 62,507,934.84

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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.