Home / 113,567,496.30-170,351,244.45-77,287,790.70

Finding the Fourth Proportional to 113,567,496.30, 170,351,244.45 and 77,287,790.70

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Solution

The fourth proportional to 113,567,496.30, 170,351,244.45 and 77,287,790.70 is: 115,931,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,567,496.30 : 170,351,244.45 = 77,287,790.70 : x
  2. Step 2: Convert to fraction form
    113,567,496.30/170,351,244.45 = 77,287,790.70/x
  3. Step 3: Cross multiply
    113,567,496.30x = 170,351,244.45 × 77,287,790.70
  4. Step 4: Simplify right side
    113,567,496.30x = 13,166,071,326,536,136
  5. Step 5: Solve for x
    x = 13,166,071,326,536,136/113,567,496.30
  6. Step 6: Final answer
    x = 115,931,686.05

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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.