Home / 186,752,670.40-280,129,005.60-57,360,072.93

Finding the Fourth Proportional to 186,752,670.40, 280,129,005.60 and 57,360,072.93

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Solution

The fourth proportional to 186,752,670.40, 280,129,005.60 and 57,360,072.93 is: 86,040,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,752,670.40 : 280,129,005.60 = 57,360,072.93 : x
  2. Step 2: Convert to fraction form
    186,752,670.40/280,129,005.60 = 57,360,072.93/x
  3. Step 3: Cross multiply
    186,752,670.40x = 280,129,005.60 × 57,360,072.93
  4. Step 4: Simplify right side
    186,752,670.40x = 16,068,220,191,024,380
  5. Step 5: Solve for x
    x = 16,068,220,191,024,380/186,752,670.40
  6. Step 6: Final answer
    x = 86,040,109.40

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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.