Home / 140,114,541.60-210,191,870.34-43,078,396.77

Finding the Fourth Proportional to 140,114,541.60, 210,191,870.34 and 43,078,396.77

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Solution

The fourth proportional to 140,114,541.60, 210,191,870.34 and 43,078,396.77 is: 64,623,761.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,114,541.60 : 210,191,870.34 = 43,078,396.77 : x
  2. Step 2: Convert to fraction form
    140,114,541.60/210,191,870.34 = 43,078,396.77/x
  3. Step 3: Cross multiply
    140,114,541.60x = 210,191,870.34 × 43,078,396.77
  4. Step 4: Simplify right side
    140,114,541.60x = 9,054,728,788,334,916
  5. Step 5: Solve for x
    x = 9,054,728,788,334,916/140,114,541.60
  6. Step 6: Final answer
    x = 64,623,761.99

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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.