Home / 115,739,293.22-159,852,782.98-76,223,468.23

Finding the Fourth Proportional to 115,739,293.22, 159,852,782.98 and 76,223,468.23

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Solution

The fourth proportional to 115,739,293.22, 159,852,782.98 and 76,223,468.23 is: 105,275,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,739,293.22 : 159,852,782.98 = 76,223,468.23 : x
  2. Step 2: Convert to fraction form
    115,739,293.22/159,852,782.98 = 76,223,468.23/x
  3. Step 3: Cross multiply
    115,739,293.22x = 159,852,782.98 × 76,223,468.23
  4. Step 4: Simplify right side
    115,739,293.22x = 12,184,533,524,953,114
  5. Step 5: Solve for x
    x = 12,184,533,524,953,114/115,739,293.22
  6. Step 6: Final answer
    x = 105,275,686.29

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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.