Home / 66,085,408.60-99,128,112.90-58,716,093.40

Finding the Fourth Proportional to 66,085,408.60, 99,128,112.90 and 58,716,093.40

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Solution

The fourth proportional to 66,085,408.60, 99,128,112.90 and 58,716,093.40 is: 88,074,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085,408.60 : 99,128,112.90 = 58,716,093.40 : x
  2. Step 2: Convert to fraction form
    66,085,408.60/99,128,112.90 = 58,716,093.40/x
  3. Step 3: Cross multiply
    66,085,408.60x = 99,128,112.90 × 58,716,093.40
  4. Step 4: Simplify right side
    66,085,408.60x = 5,820,415,535,602,145
  5. Step 5: Solve for x
    x = 5,820,415,535,602,145/66,085,408.60
  6. Step 6: Final answer
    x = 88,074,140.10

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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.