Home / 121,402,629.45-182,103,944.18-108,648,045.45

Finding the Fourth Proportional to 121,402,629.45, 182,103,944.18 and 108,648,045.45

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Solution

The fourth proportional to 121,402,629.45, 182,103,944.18 and 108,648,045.45 is: 162,972,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,402,629.45 : 182,103,944.18 = 108,648,045.45 : x
  2. Step 2: Convert to fraction form
    121,402,629.45/182,103,944.18 = 108,648,045.45/x
  3. Step 3: Cross multiply
    121,402,629.45x = 182,103,944.18 × 108,648,045.45
  4. Step 4: Simplify right side
    121,402,629.45x = 19,785,237,603,349,664
  5. Step 5: Solve for x
    x = 19,785,237,603,349,664/121,402,629.45
  6. Step 6: Final answer
    x = 162,972,068.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.