Home / 115,393,153.60-173,089,730.40-38,718,683.20

Finding the Fourth Proportional to 115,393,153.60, 173,089,730.40 and 38,718,683.20

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Solution

The fourth proportional to 115,393,153.60, 173,089,730.40 and 38,718,683.20 is: 58,078,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,393,153.60 : 173,089,730.40 = 38,718,683.20 : x
  2. Step 2: Convert to fraction form
    115,393,153.60/173,089,730.40 = 38,718,683.20/x
  3. Step 3: Cross multiply
    115,393,153.60x = 173,089,730.40 × 38,718,683.20
  4. Step 4: Simplify right side
    115,393,153.60x = 6,701,806,436,531,010
  5. Step 5: Solve for x
    x = 6,701,806,436,531,010/115,393,153.60
  6. Step 6: Final answer
    x = 58,078,024.80

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1.5x scale

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.