Home / 77,709,315.16-116,562,372.36-25,897,679.74

Finding the Fourth Proportional to 77,709,315.16, 116,562,372.36 and 25,897,679.74

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Solution

The fourth proportional to 77,709,315.16, 116,562,372.36 and 25,897,679.74 is: 38,845,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,709,315.16 : 116,562,372.36 = 25,897,679.74 : x
  2. Step 2: Convert to fraction form
    77,709,315.16/116,562,372.36 = 25,897,679.74/x
  3. Step 3: Cross multiply
    77,709,315.16x = 116,562,372.36 × 25,897,679.74
  4. Step 4: Simplify right side
    77,709,315.16x = 3,018,694,989,113,908
  5. Step 5: Solve for x
    x = 3,018,694,989,113,908/77,709,315.16
  6. Step 6: Final answer
    x = 38,845,986.26

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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.