Home / 115,739,289.54-159,852,777.90-76,223,464.55

Finding the Fourth Proportional to 115,739,289.54, 159,852,777.90 and 76,223,464.55

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Solution

The fourth proportional to 115,739,289.54, 159,852,777.90 and 76,223,464.55 is: 105,275,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,739,289.54 : 159,852,777.90 = 76,223,464.55 : x
  2. Step 2: Convert to fraction form
    115,739,289.54/159,852,777.90 = 76,223,464.55/x
  3. Step 3: Cross multiply
    115,739,289.54x = 159,852,777.90 × 76,223,464.55
  4. Step 4: Simplify right side
    115,739,289.54x = 12,184,532,549,479,674
  5. Step 5: Solve for x
    x = 12,184,532,549,479,674/115,739,289.54
  6. Step 6: Final answer
    x = 105,275,681.21

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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.