Home / 216,290,963.80-298,877,460.29-157,451,477.03

Finding the Fourth Proportional to 216,290,963.80, 298,877,460.29 and 157,451,477.03

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Solution

The fourth proportional to 216,290,963.80, 298,877,460.29 and 157,451,477.03 is: 217,571,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,290,963.80 : 298,877,460.29 = 157,451,477.03 : x
  2. Step 2: Convert to fraction form
    216,290,963.80/298,877,460.29 = 157,451,477.03/x
  3. Step 3: Cross multiply
    216,290,963.80x = 298,877,460.29 × 157,451,477.03
  4. Step 4: Simplify right side
    216,290,963.80x = 47,058,697,574,326,528
  5. Step 5: Solve for x
    x = 47,058,697,574,326,528/216,290,963.80
  6. Step 6: Final answer
    x = 217,571,260.25

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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.