Home / 93,409,836.02-140,128,125.70-28,719,072.21

Finding the Fourth Proportional to 93,409,836.02, 140,128,125.70 and 28,719,072.21

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Solution

The fourth proportional to 93,409,836.02, 140,128,125.70 and 28,719,072.21 is: 43,082,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,409,836.02 : 140,128,125.70 = 28,719,072.21 : x
  2. Step 2: Convert to fraction form
    93,409,836.02/140,128,125.70 = 28,719,072.21/x
  3. Step 3: Cross multiply
    93,409,836.02x = 140,128,125.70 × 28,719,072.21
  4. Step 4: Simplify right side
    93,409,836.02x = 4,024,349,760,630,256.50
  5. Step 5: Solve for x
    x = 4,024,349,760,630,256.50/93,409,836.02
  6. Step 6: Final answer
    x = 43,082,719.47

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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.