Home / 216,230,254.32-298,402,569.36-123,408,900.48

Finding the Fourth Proportional to 216,230,254.32, 298,402,569.36 and 123,408,900.48

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Solution

The fourth proportional to 216,230,254.32, 298,402,569.36 and 123,408,900.48 is: 170,307,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,230,254.32 : 298,402,569.36 = 123,408,900.48 : x
  2. Step 2: Convert to fraction form
    216,230,254.32/298,402,569.36 = 123,408,900.48/x
  3. Step 3: Cross multiply
    216,230,254.32x = 298,402,569.36 × 123,408,900.48
  4. Step 4: Simplify right side
    216,230,254.32x = 36,825,532,985,124,544
  5. Step 5: Solve for x
    x = 36,825,532,985,124,544/216,230,254.32
  6. Step 6: Final answer
    x = 170,307,032.66

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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.