Home / 93,432,599.80-128,000,523.47-89,939,355.64

Finding the Fourth Proportional to 93,432,599.80, 128,000,523.47 and 89,939,355.64

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Solution

The fourth proportional to 93,432,599.80, 128,000,523.47 and 89,939,355.64 is: 123,214,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,432,599.80 : 128,000,523.47 = 89,939,355.64 : x
  2. Step 2: Convert to fraction form
    93,432,599.80/128,000,523.47 = 89,939,355.64/x
  3. Step 3: Cross multiply
    93,432,599.80x = 128,000,523.47 × 89,939,355.64
  4. Step 4: Simplify right side
    93,432,599.80x = 11,512,284,602,474,496
  5. Step 5: Solve for x
    x = 11,512,284,602,474,496/93,432,599.80
  6. Step 6: Final answer
    x = 123,214,858.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.