Home / 59,431,039.40-89,146,559.10-21,096,428.60

Finding the Fourth Proportional to 59,431,039.40, 89,146,559.10 and 21,096,428.60

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Solution

The fourth proportional to 59,431,039.40, 89,146,559.10 and 21,096,428.60 is: 31,644,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,431,039.40 : 89,146,559.10 = 21,096,428.60 : x
  2. Step 2: Convert to fraction form
    59,431,039.40/89,146,559.10 = 21,096,428.60/x
  3. Step 3: Cross multiply
    59,431,039.40x = 89,146,559.10 × 21,096,428.60
  4. Step 4: Simplify right side
    59,431,039.40x = 1,880,674,018,988,830.25
  5. Step 5: Solve for x
    x = 1,880,674,018,988,830.25/59,431,039.40
  6. Step 6: Final answer
    x = 31,644,642.90

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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.