Home / 257,111,164.98-354,835,289.92-145,621,838.88

Finding the Fourth Proportional to 257,111,164.98, 354,835,289.92 and 145,621,838.88

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Solution

The fourth proportional to 257,111,164.98, 354,835,289.92 and 145,621,838.88 is: 200,970,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,111,164.98 : 354,835,289.92 = 145,621,838.88 : x
  2. Step 2: Convert to fraction form
    257,111,164.98/354,835,289.92 = 145,621,838.88/x
  3. Step 3: Cross multiply
    257,111,164.98x = 354,835,289.92 × 145,621,838.88
  4. Step 4: Simplify right side
    257,111,164.98x = 51,671,767,417,668,328
  5. Step 5: Solve for x
    x = 51,671,767,417,668,328/257,111,164.98
  6. Step 6: Final answer
    x = 200,970,531.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.