Home / 96,771,381.20-145,157,071.80-89,045,147.60

Finding the Fourth Proportional to 96,771,381.20, 145,157,071.80 and 89,045,147.60

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Solution

The fourth proportional to 96,771,381.20, 145,157,071.80 and 89,045,147.60 is: 133,567,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771,381.20 : 145,157,071.80 = 89,045,147.60 : x
  2. Step 2: Convert to fraction form
    96,771,381.20/145,157,071.80 = 89,045,147.60/x
  3. Step 3: Cross multiply
    96,771,381.20x = 145,157,071.80 × 89,045,147.60
  4. Step 4: Simplify right side
    96,771,381.20x = 12,925,532,883,614,798
  5. Step 5: Solve for x
    x = 12,925,532,883,614,798/96,771,381.20
  6. Step 6: Final answer
    x = 133,567,721.40

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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.