Home / 105,789,323.64-145,984,352.58-58,749,383.64

Finding the Fourth Proportional to 105,789,323.64, 145,984,352.58 and 58,749,383.64

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Solution

The fourth proportional to 105,789,323.64, 145,984,352.58 and 58,749,383.64 is: 81,071,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,789,323.64 : 145,984,352.58 = 58,749,383.64 : x
  2. Step 2: Convert to fraction form
    105,789,323.64/145,984,352.58 = 58,749,383.64/x
  3. Step 3: Cross multiply
    105,789,323.64x = 145,984,352.58 × 58,749,383.64
  4. Step 4: Simplify right side
    105,789,323.64x = 8,576,490,735,159,445
  5. Step 5: Solve for x
    x = 8,576,490,735,159,445/105,789,323.64
  6. Step 6: Final answer
    x = 81,071,420.44

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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.