Home / 76,260,681.21-105,239,807.88-41,453,371.65

Finding the Fourth Proportional to 76,260,681.21, 105,239,807.88 and 41,453,371.65

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Solution

The fourth proportional to 76,260,681.21, 105,239,807.88 and 41,453,371.65 is: 57,205,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,260,681.21 : 105,239,807.88 = 41,453,371.65 : x
  2. Step 2: Convert to fraction form
    76,260,681.21/105,239,807.88 = 41,453,371.65/x
  3. Step 3: Cross multiply
    76,260,681.21x = 105,239,807.88 × 41,453,371.65
  4. Step 4: Simplify right side
    76,260,681.21x = 4,362,544,868,424,238
  5. Step 5: Solve for x
    x = 4,362,544,868,424,238/76,260,681.21
  6. Step 6: Final answer
    x = 57,205,689.74

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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.