Home / 154,658,011.18-213,426,438.06-115,142,229.22

Finding the Fourth Proportional to 154,658,011.18, 213,426,438.06 and 115,142,229.22

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Solution

The fourth proportional to 154,658,011.18, 213,426,438.06 and 115,142,229.22 is: 158,895,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,658,011.18 : 213,426,438.06 = 115,142,229.22 : x
  2. Step 2: Convert to fraction form
    154,658,011.18/213,426,438.06 = 115,142,229.22/x
  3. Step 3: Cross multiply
    154,658,011.18x = 213,426,438.06 × 115,142,229.22
  4. Step 4: Simplify right side
    154,658,011.18x = 24,574,395,852,712,652
  5. Step 5: Solve for x
    x = 24,574,395,852,712,652/154,658,011.18
  6. Step 6: Final answer
    x = 158,895,072.20

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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.