Home / 157,465,122.40-236,197,683.60-66,588,711.40

Finding the Fourth Proportional to 157,465,122.40, 236,197,683.60 and 66,588,711.40

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Solution

The fourth proportional to 157,465,122.40, 236,197,683.60 and 66,588,711.40 is: 99,883,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,122.40 : 236,197,683.60 = 66,588,711.40 : x
  2. Step 2: Convert to fraction form
    157,465,122.40/236,197,683.60 = 66,588,711.40/x
  3. Step 3: Cross multiply
    157,465,122.40x = 236,197,683.60 × 66,588,711.40
  4. Step 4: Simplify right side
    157,465,122.40x = 15,728,099,386,588,912
  5. Step 5: Solve for x
    x = 15,728,099,386,588,912/157,465,122.40
  6. Step 6: Final answer
    x = 99,883,067.10

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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.