Home / 76,668,489,128.22-115,005,076,558.35-26,303,216,421.63

Finding the Fourth Proportional to 76,668,489,128.22, 115,005,076,558.35 and 26,303,216,421.63

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Solution

The fourth proportional to 76,668,489,128.22, 115,005,076,558.35 and 26,303,216,421.63 is: 39,455,628,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,668,489,128.22 : 115,005,076,558.35 = 26,303,216,421.63 : x
  2. Step 2: Convert to fraction form
    76,668,489,128.22/115,005,076,558.35 = 26,303,216,421.63/x
  3. Step 3: Cross multiply
    76,668,489,128.22x = 115,005,076,558.35 × 26,303,216,421.63
  4. Step 4: Simplify right side
    76,668,489,128.22x = 3,025,003,418,300,407,349,248
  5. Step 5: Solve for x
    x = 3,025,003,418,300,407,349,248/76,668,489,128.22
  6. Step 6: Final answer
    x = 39,455,628,416.54

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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.