Home / 235,497,548.84-324,980,677.59-129,649,907.43

Finding the Fourth Proportional to 235,497,548.84, 324,980,677.59 and 129,649,907.43

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Solution

The fourth proportional to 235,497,548.84, 324,980,677.59 and 129,649,907.43 is: 178,913,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,497,548.84 : 324,980,677.59 = 129,649,907.43 : x
  2. Step 2: Convert to fraction form
    235,497,548.84/324,980,677.59 = 129,649,907.43/x
  3. Step 3: Cross multiply
    235,497,548.84x = 324,980,677.59 × 129,649,907.43
  4. Step 4: Simplify right side
    235,497,548.84x = 42,133,714,766,082,176
  5. Step 5: Solve for x
    x = 42,133,714,766,082,176/235,497,548.84
  6. Step 6: Final answer
    x = 178,913,602.18

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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.