Home / 98,191,328.96-147,609,880.80-91,088,609.60

Finding the Fourth Proportional to 98,191,328.96, 147,609,880.80 and 91,088,609.60

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Solution

The fourth proportional to 98,191,328.96, 147,609,880.80 and 91,088,609.60 is: 136,932,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,191,328.96 : 147,609,880.80 = 91,088,609.60 : x
  2. Step 2: Convert to fraction form
    98,191,328.96/147,609,880.80 = 91,088,609.60/x
  3. Step 3: Cross multiply
    98,191,328.96x = 147,609,880.80 × 91,088,609.60
  4. Step 4: Simplify right side
    98,191,328.96x = 13,445,578,805,293,736
  5. Step 5: Solve for x
    x = 13,445,578,805,293,736/98,191,328.96
  6. Step 6: Final answer
    x = 136,932,445.54

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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.