Home / 85,614,479.28-128,421,362.93-31,014,280.76

Finding the Fourth Proportional to 85,614,479.28, 128,421,362.93 and 31,014,280.76

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Solution

The fourth proportional to 85,614,479.28, 128,421,362.93 and 31,014,280.76 is: 46,521,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,614,479.28 : 128,421,362.93 = 31,014,280.76 : x
  2. Step 2: Convert to fraction form
    85,614,479.28/128,421,362.93 = 31,014,280.76/x
  3. Step 3: Cross multiply
    85,614,479.28x = 128,421,362.93 × 31,014,280.76
  4. Step 4: Simplify right side
    85,614,479.28x = 3,982,896,204,695,698
  5. Step 5: Solve for x
    x = 3,982,896,204,695,698/85,614,479.28
  6. Step 6: Final answer
    x = 46,521,292.17

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