Home / 190,429,341.76-285,734,281.47-92,005,876.45

Finding the Fourth Proportional to 190,429,341.76, 285,734,281.47 and 92,005,876.45

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Solution

The fourth proportional to 190,429,341.76, 285,734,281.47 and 92,005,876.45 is: 138,052,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,429,341.76 : 285,734,281.47 = 92,005,876.45 : x
  2. Step 2: Convert to fraction form
    190,429,341.76/285,734,281.47 = 92,005,876.45/x
  3. Step 3: Cross multiply
    190,429,341.76x = 285,734,281.47 × 92,005,876.45
  4. Step 4: Simplify right side
    190,429,341.76x = 26,289,232,998,458,348
  5. Step 5: Solve for x
    x = 26,289,232,998,458,348/190,429,341.76
  6. Step 6: Final answer
    x = 138,052,428.03

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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.