Home / 216,194,984.15-298,349,365.91-117,075,902.58

Finding the Fourth Proportional to 216,194,984.15, 298,349,365.91 and 117,075,902.58

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Solution

The fourth proportional to 216,194,984.15, 298,349,365.91 and 117,075,902.58 is: 161,564,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,194,984.15 : 298,349,365.91 = 117,075,902.58 : x
  2. Step 2: Convert to fraction form
    216,194,984.15/298,349,365.91 = 117,075,902.58/x
  3. Step 3: Cross multiply
    216,194,984.15x = 298,349,365.91 × 117,075,902.58
  4. Step 4: Simplify right side
    216,194,984.15x = 34,929,521,297,498,548
  5. Step 5: Solve for x
    x = 34,929,521,297,498,548/216,194,984.15
  6. Step 6: Final answer
    x = 161,564,901.40

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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.