Home / 223,466,379.84-308,525,290.56-153,019,877.76

Finding the Fourth Proportional to 223,466,379.84, 308,525,290.56 and 153,019,877.76

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Solution

The fourth proportional to 223,466,379.84, 308,525,290.56 and 153,019,877.76 is: 211,264,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,466,379.84 : 308,525,290.56 = 153,019,877.76 : x
  2. Step 2: Convert to fraction form
    223,466,379.84/308,525,290.56 = 153,019,877.76/x
  3. Step 3: Cross multiply
    223,466,379.84x = 308,525,290.56 × 153,019,877.76
  4. Step 4: Simplify right side
    223,466,379.84x = 47,210,502,247,359,680
  5. Step 5: Solve for x
    x = 47,210,502,247,359,680/223,466,379.84
  6. Step 6: Final answer
    x = 211,264,451.87

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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.