Home / 329,740,950.18-455,021,814.80-181,061,030.40

Finding the Fourth Proportional to 329,740,950.18, 455,021,814.80 and 181,061,030.40

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Solution

The fourth proportional to 329,740,950.18, 455,021,814.80 and 181,061,030.40 is: 249,852,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,740,950.18 : 455,021,814.80 = 181,061,030.40 : x
  2. Step 2: Convert to fraction form
    329,740,950.18/455,021,814.80 = 181,061,030.40/x
  3. Step 3: Cross multiply
    329,740,950.18x = 455,021,814.80 × 181,061,030.40
  4. Step 4: Simplify right side
    329,740,950.18x = 82,386,718,642,165,968
  5. Step 5: Solve for x
    x = 82,386,718,642,165,968/329,740,950.18
  6. Step 6: Final answer
    x = 249,852,857.51

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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.