Home / 152,699,773-228,760,658.52-90,264,165.16

Finding the Fourth Proportional to 152,699,773, 228,760,658.52 and 90,264,165.16

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Solution

The fourth proportional to 152,699,773, 228,760,658.52 and 90,264,165.16 is: 135,225,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,699,773 : 228,760,658.52 = 90,264,165.16 : x
  2. Step 2: Convert to fraction form
    152,699,773/228,760,658.52 = 90,264,165.16/x
  3. Step 3: Cross multiply
    152,699,773x = 228,760,658.52 × 90,264,165.16
  4. Step 4: Simplify right side
    152,699,773x = 20,648,889,862,759,640
  5. Step 5: Solve for x
    x = 20,648,889,862,759,640/152,699,773
  6. Step 6: Final answer
    x = 135,225,412.96

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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.