Home / 288,018,243.59-397,338,515.91-168,880,024.35

Finding the Fourth Proportional to 288,018,243.59, 397,338,515.91 and 168,880,024.35

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Solution

The fourth proportional to 288,018,243.59, 397,338,515.91 and 168,880,024.35 is: 232,980,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,018,243.59 : 397,338,515.91 = 168,880,024.35 : x
  2. Step 2: Convert to fraction form
    288,018,243.59/397,338,515.91 = 168,880,024.35/x
  3. Step 3: Cross multiply
    288,018,243.59x = 397,338,515.91 × 168,880,024.35
  4. Step 4: Simplify right side
    288,018,243.59x = 67,102,538,242,073,664
  5. Step 5: Solve for x
    x = 67,102,538,242,073,664/288,018,243.59
  6. Step 6: Final answer
    x = 232,980,166.14

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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.