Home / 135,341,783.23-186,766,828.38-76,603,187.22

Finding the Fourth Proportional to 135,341,783.23, 186,766,828.38 and 76,603,187.22

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Solution

The fourth proportional to 135,341,783.23, 186,766,828.38 and 76,603,187.22 is: 105,709,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,341,783.23 : 186,766,828.38 = 76,603,187.22 : x
  2. Step 2: Convert to fraction form
    135,341,783.23/186,766,828.38 = 76,603,187.22/x
  3. Step 3: Cross multiply
    135,341,783.23x = 186,766,828.38 × 76,603,187.22
  4. Step 4: Simplify right side
    135,341,783.23x = 14,306,934,320,878,748
  5. Step 5: Solve for x
    x = 14,306,934,320,878,748/135,341,783.23
  6. Step 6: Final answer
    x = 105,709,663.19

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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.