Home / 89,424,010.40-134,136,015.60-74,307,466.40

Finding the Fourth Proportional to 89,424,010.40, 134,136,015.60 and 74,307,466.40

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Solution

The fourth proportional to 89,424,010.40, 134,136,015.60 and 74,307,466.40 is: 111,461,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,424,010.40 : 134,136,015.60 = 74,307,466.40 : x
  2. Step 2: Convert to fraction form
    89,424,010.40/134,136,015.60 = 74,307,466.40/x
  3. Step 3: Cross multiply
    89,424,010.40x = 134,136,015.60 × 74,307,466.40
  4. Step 4: Simplify right side
    89,424,010.40x = 9,967,307,472,226,876
  5. Step 5: Solve for x
    x = 9,967,307,472,226,876/89,424,010.40
  6. Step 6: Final answer
    x = 111,461,199.60

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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.