Home / 366,551,362.05-549,680,896.80-120,839,615.70

Finding the Fourth Proportional to 366,551,362.05, 549,680,896.80 and 120,839,615.70

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Solution

The fourth proportional to 366,551,362.05, 549,680,896.80 and 120,839,615.70 is: 181,211,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,551,362.05 : 549,680,896.80 = 120,839,615.70 : x
  2. Step 2: Convert to fraction form
    366,551,362.05/549,680,896.80 = 120,839,615.70/x
  3. Step 3: Cross multiply
    366,551,362.05x = 549,680,896.80 × 120,839,615.70
  4. Step 4: Simplify right side
    366,551,362.05x = 66,423,228,326,943,352
  5. Step 5: Solve for x
    x = 66,423,228,326,943,352/366,551,362.05
  6. Step 6: Final answer
    x = 181,211,244.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.