Home / 93,438,542.21-128,941,285.70-53,743,054.86

Finding the Fourth Proportional to 93,438,542.21, 128,941,285.70 and 53,743,054.86

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Solution

The fourth proportional to 93,438,542.21, 128,941,285.70 and 53,743,054.86 is: 74,163,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438,542.21 : 128,941,285.70 = 53,743,054.86 : x
  2. Step 2: Convert to fraction form
    93,438,542.21/128,941,285.70 = 53,743,054.86/x
  3. Step 3: Cross multiply
    93,438,542.21x = 128,941,285.70 × 53,743,054.86
  4. Step 4: Simplify right side
    93,438,542.21x = 6,929,698,591,228,391
  5. Step 5: Solve for x
    x = 6,929,698,591,228,391/93,438,542.21
  6. Step 6: Final answer
    x = 74,163,171.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.