Home / 97,176,616.61-133,389,902.55-85,916,710.43

Finding the Fourth Proportional to 97,176,616.61, 133,389,902.55 and 85,916,710.43

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Solution

The fourth proportional to 97,176,616.61, 133,389,902.55 and 85,916,710.43 is: 117,933,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,176,616.61 : 133,389,902.55 = 85,916,710.43 : x
  2. Step 2: Convert to fraction form
    97,176,616.61/133,389,902.55 = 85,916,710.43/x
  3. Step 3: Cross multiply
    97,176,616.61x = 133,389,902.55 × 85,916,710.43
  4. Step 4: Simplify right side
    97,176,616.61x = 11,460,421,631,674,270
  5. Step 5: Solve for x
    x = 11,460,421,631,674,270/97,176,616.61
  6. Step 6: Final answer
    x = 117,933,943.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.