Home / 208,254,547.74-312,161,575.56-77,012,495.22

Finding the Fourth Proportional to 208,254,547.74, 312,161,575.56 and 77,012,495.22

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Solution

The fourth proportional to 208,254,547.74, 312,161,575.56 and 77,012,495.22 is: 115,437,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,254,547.74 : 312,161,575.56 = 77,012,495.22 : x
  2. Step 2: Convert to fraction form
    208,254,547.74/312,161,575.56 = 77,012,495.22/x
  3. Step 3: Cross multiply
    208,254,547.74x = 312,161,575.56 × 77,012,495.22
  4. Step 4: Simplify right side
    208,254,547.74x = 24,040,341,845,682,168
  5. Step 5: Solve for x
    x = 24,040,341,845,682,168/208,254,547.74
  6. Step 6: Final answer
    x = 115,437,295.88

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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.