Home / 125,774,464.28-173,576,688.90-76,219,171.16

Finding the Fourth Proportional to 125,774,464.28, 173,576,688.90 and 76,219,171.16

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Solution

The fourth proportional to 125,774,464.28, 173,576,688.90 and 76,219,171.16 is: 105,187,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,774,464.28 : 173,576,688.90 = 76,219,171.16 : x
  2. Step 2: Convert to fraction form
    125,774,464.28/173,576,688.90 = 76,219,171.16/x
  3. Step 3: Cross multiply
    125,774,464.28x = 173,576,688.90 × 76,219,171.16
  4. Step 4: Simplify right side
    125,774,464.28x = 13,229,871,360,655,172
  5. Step 5: Solve for x
    x = 13,229,871,360,655,172/125,774,464.28
  6. Step 6: Final answer
    x = 105,187,260.68

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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.