Home / 319,574,151.32-441,012,423.57-180,374,400.68

Finding the Fourth Proportional to 319,574,151.32, 441,012,423.57 and 180,374,400.68

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Solution

The fourth proportional to 319,574,151.32, 441,012,423.57 and 180,374,400.68 is: 248,916,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,574,151.32 : 441,012,423.57 = 180,374,400.68 : x
  2. Step 2: Convert to fraction form
    319,574,151.32/441,012,423.57 = 180,374,400.68/x
  3. Step 3: Cross multiply
    319,574,151.32x = 441,012,423.57 × 180,374,400.68
  4. Step 4: Simplify right side
    319,574,151.32x = 79,547,351,593,873,056
  5. Step 5: Solve for x
    x = 79,547,351,593,873,056/319,574,151.32
  6. Step 6: Final answer
    x = 248,916,726.42

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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.