Home / 211,060,904-316,554,122.10-81,562,051.04

Finding the Fourth Proportional to 211,060,904, 316,554,122.10 and 81,562,051.04

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Solution

The fourth proportional to 211,060,904, 316,554,122.10 and 81,562,051.04 is: 122,328,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,060,904 : 316,554,122.10 = 81,562,051.04 : x
  2. Step 2: Convert to fraction form
    211,060,904/316,554,122.10 = 81,562,051.04/x
  3. Step 3: Cross multiply
    211,060,904x = 316,554,122.10 × 81,562,051.04
  4. Step 4: Simplify right side
    211,060,904x = 25,818,803,463,642,596
  5. Step 5: Solve for x
    x = 25,818,803,463,642,596/211,060,904
  6. Step 6: Final answer
    x = 122,328,687.95

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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.