Home / 45,779,816.25-63,160,521.75-28,369,809.09

Finding the Fourth Proportional to 45,779,816.25, 63,160,521.75 and 28,369,809.09

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Solution

The fourth proportional to 45,779,816.25, 63,160,521.75 and 28,369,809.09 is: 39,140,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,779,816.25 : 63,160,521.75 = 28,369,809.09 : x
  2. Step 2: Convert to fraction form
    45,779,816.25/63,160,521.75 = 28,369,809.09/x
  3. Step 3: Cross multiply
    45,779,816.25x = 63,160,521.75 × 28,369,809.09
  4. Step 4: Simplify right side
    45,779,816.25x = 1,791,851,944,072,292.75
  5. Step 5: Solve for x
    x = 1,791,851,944,072,292.75/45,779,816.25
  6. Step 6: Final answer
    x = 39,140,653.91

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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.