Home / 208,024,331.29-286,935,348.27-133,778,757.45

Finding the Fourth Proportional to 208,024,331.29, 286,935,348.27 and 133,778,757.45

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Solution

The fourth proportional to 208,024,331.29, 286,935,348.27 and 133,778,757.45 is: 184,525,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,024,331.29 : 286,935,348.27 = 133,778,757.45 : x
  2. Step 2: Convert to fraction form
    208,024,331.29/286,935,348.27 = 133,778,757.45/x
  3. Step 3: Cross multiply
    208,024,331.29x = 286,935,348.27 × 133,778,757.45
  4. Step 4: Simplify right side
    208,024,331.29x = 38,385,854,358,943,376
  5. Step 5: Solve for x
    x = 38,385,854,358,943,376/208,024,331.29
  6. Step 6: Final answer
    x = 184,525,791.38

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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.