Home / 96,771,973.80-145,157,960.70-66,538,885.80

Finding the Fourth Proportional to 96,771,973.80, 145,157,960.70 and 66,538,885.80

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Solution

The fourth proportional to 96,771,973.80, 145,157,960.70 and 66,538,885.80 is: 99,808,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771,973.80 : 145,157,960.70 = 66,538,885.80 : x
  2. Step 2: Convert to fraction form
    96,771,973.80/145,157,960.70 = 66,538,885.80/x
  3. Step 3: Cross multiply
    96,771,973.80x = 145,157,960.70 × 66,538,885.80
  4. Step 4: Simplify right side
    96,771,973.80x = 9,658,648,969,978,186
  5. Step 5: Solve for x
    x = 9,658,648,969,978,186/96,771,973.80
  6. Step 6: Final answer
    x = 99,808,328.70

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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.