Home / 98,802,806.41-136,409,848.75-63,581,805.38

Finding the Fourth Proportional to 98,802,806.41, 136,409,848.75 and 63,581,805.38

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Solution

The fourth proportional to 98,802,806.41, 136,409,848.75 and 63,581,805.38 is: 87,782,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,802,806.41 : 136,409,848.75 = 63,581,805.38 : x
  2. Step 2: Convert to fraction form
    98,802,806.41/136,409,848.75 = 63,581,805.38/x
  3. Step 3: Cross multiply
    98,802,806.41x = 136,409,848.75 × 63,581,805.38
  4. Step 4: Simplify right side
    98,802,806.41x = 8,673,184,455,137,737
  5. Step 5: Solve for x
    x = 8,673,184,455,137,737/98,802,806.41
  6. Step 6: Final answer
    x = 87,782,774.30

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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.