Home / 51,430,180.11-77,145,702.71-13,091,700.75

Finding the Fourth Proportional to 51,430,180.11, 77,145,702.71 and 13,091,700.75

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Solution

The fourth proportional to 51,430,180.11, 77,145,702.71 and 13,091,700.75 is: 19,637,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430,180.11 : 77,145,702.71 = 13,091,700.75 : x
  2. Step 2: Convert to fraction form
    51,430,180.11/77,145,702.71 = 13,091,700.75/x
  3. Step 3: Cross multiply
    51,430,180.11x = 77,145,702.71 × 13,091,700.75
  4. Step 4: Simplify right side
    51,430,180.11x = 1,009,968,453,962,325.50
  5. Step 5: Solve for x
    x = 1,009,968,453,962,325.50/51,430,180.11
  6. Step 6: Final answer
    x = 19,637,661.23

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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.