Home / 223,466,381.84-308,525,293.32-153,019,879.76

Finding the Fourth Proportional to 223,466,381.84, 308,525,293.32 and 153,019,879.76

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Solution

The fourth proportional to 223,466,381.84, 308,525,293.32 and 153,019,879.76 is: 211,264,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,466,381.84 : 308,525,293.32 = 153,019,879.76 : x
  2. Step 2: Convert to fraction form
    223,466,381.84/308,525,293.32 = 153,019,879.76/x
  3. Step 3: Cross multiply
    223,466,381.84x = 308,525,293.32 × 153,019,879.76
  4. Step 4: Simplify right side
    223,466,381.84x = 47,210,503,286,745,128
  5. Step 5: Solve for x
    x = 47,210,503,286,745,128/223,466,381.84
  6. Step 6: Final answer
    x = 211,264,454.63

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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.