Home / 90,846,555.60-136,287,548.10-39,031,058.10

Finding the Fourth Proportional to 90,846,555.60, 136,287,548.10 and 39,031,058.10

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Solution

The fourth proportional to 90,846,555.60, 136,287,548.10 and 39,031,058.10 is: 58,554,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846,555.60 : 136,287,548.10 = 39,031,058.10 : x
  2. Step 2: Convert to fraction form
    90,846,555.60/136,287,548.10 = 39,031,058.10/x
  3. Step 3: Cross multiply
    90,846,555.60x = 136,287,548.10 × 39,031,058.10
  4. Step 4: Simplify right side
    90,846,555.60x = 5,319,447,208,197,645
  5. Step 5: Solve for x
    x = 5,319,447,208,197,645/90,846,555.60
  6. Step 6: Final answer
    x = 58,554,198.04

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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.