Home / 228,953,924.16-315,927,718.92-154,775,880.24

Finding the Fourth Proportional to 228,953,924.16, 315,927,718.92 and 154,775,880.24

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Solution

The fourth proportional to 228,953,924.16, 315,927,718.92 and 154,775,880.24 is: 213,571,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,953,924.16 : 315,927,718.92 = 154,775,880.24 : x
  2. Step 2: Convert to fraction form
    228,953,924.16/315,927,718.92 = 154,775,880.24/x
  3. Step 3: Cross multiply
    228,953,924.16x = 315,927,718.92 × 154,775,880.24
  4. Step 4: Simplify right side
    228,953,924.16x = 48,897,990,788,058,304
  5. Step 5: Solve for x
    x = 48,897,990,788,058,304/228,953,924.16
  6. Step 6: Final answer
    x = 213,571,315.57

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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.