Home / 54,298,912.60-81,448,368.90-51,779,488.60

Finding the Fourth Proportional to 54,298,912.60, 81,448,368.90 and 51,779,488.60

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Solution

The fourth proportional to 54,298,912.60, 81,448,368.90 and 51,779,488.60 is: 77,669,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298,912.60 : 81,448,368.90 = 51,779,488.60 : x
  2. Step 2: Convert to fraction form
    54,298,912.60/81,448,368.90 = 51,779,488.60/x
  3. Step 3: Cross multiply
    54,298,912.60x = 81,448,368.90 × 51,779,488.60
  4. Step 4: Simplify right side
    54,298,912.60x = 4,217,354,888,946,145
  5. Step 5: Solve for x
    x = 4,217,354,888,946,145/54,298,912.60
  6. Step 6: Final answer
    x = 77,669,232.90

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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.