Home / 275,662,989.60-380,417,476.88-151,908,095.52

Finding the Fourth Proportional to 275,662,989.60, 380,417,476.88 and 151,908,095.52

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Solution

The fourth proportional to 275,662,989.60, 380,417,476.88 and 151,908,095.52 is: 209,634,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,662,989.60 : 380,417,476.88 = 151,908,095.52 : x
  2. Step 2: Convert to fraction form
    275,662,989.60/380,417,476.88 = 151,908,095.52/x
  3. Step 3: Cross multiply
    275,662,989.60x = 380,417,476.88 × 151,908,095.52
  4. Step 4: Simplify right side
    275,662,989.60x = 57,788,494,415,364,432
  5. Step 5: Solve for x
    x = 57,788,494,415,364,432/275,662,989.60
  6. Step 6: Final answer
    x = 209,634,577.71

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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.