Home / 216,290,969.04-298,877,467.56-157,451,482.29

Finding the Fourth Proportional to 216,290,969.04, 298,877,467.56 and 157,451,482.29

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Solution

The fourth proportional to 216,290,969.04, 298,877,467.56 and 157,451,482.29 is: 217,571,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,290,969.04 : 298,877,467.56 = 157,451,482.29 : x
  2. Step 2: Convert to fraction form
    216,290,969.04/298,877,467.56 = 157,451,482.29/x
  3. Step 3: Cross multiply
    216,290,969.04x = 298,877,467.56 × 157,451,482.29
  4. Step 4: Simplify right side
    216,290,969.04x = 47,058,700,290,403,384
  5. Step 5: Solve for x
    x = 47,058,700,290,403,384/216,290,969.04
  6. Step 6: Final answer
    x = 217,571,267.53

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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.