Home / 310,037,981.95-427,565,021.58-226,273,432.51

Finding the Fourth Proportional to 310,037,981.95, 427,565,021.58 and 226,273,432.51

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Solution

The fourth proportional to 310,037,981.95, 427,565,021.58 and 226,273,432.51 is: 312,047,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,037,981.95 : 427,565,021.58 = 226,273,432.51 : x
  2. Step 2: Convert to fraction form
    310,037,981.95/427,565,021.58 = 226,273,432.51/x
  3. Step 3: Cross multiply
    310,037,981.95x = 427,565,021.58 × 226,273,432.51
  4. Step 4: Simplify right side
    310,037,981.95x = 96,746,605,054,118,816
  5. Step 5: Solve for x
    x = 96,746,605,054,118,816/310,037,981.95
  6. Step 6: Final answer
    x = 312,047,589.93

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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.