Home / 163,861,973.10-245,792,959.65-87,334,469.10

Finding the Fourth Proportional to 163,861,973.10, 245,792,959.65 and 87,334,469.10

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Solution

The fourth proportional to 163,861,973.10, 245,792,959.65 and 87,334,469.10 is: 131,001,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,861,973.10 : 245,792,959.65 = 87,334,469.10 : x
  2. Step 2: Convert to fraction form
    163,861,973.10/245,792,959.65 = 87,334,469.10/x
  3. Step 3: Cross multiply
    163,861,973.10x = 245,792,959.65 × 87,334,469.10
  4. Step 4: Simplify right side
    163,861,973.10x = 21,466,197,639,550,472
  5. Step 5: Solve for x
    x = 21,466,197,639,550,472/163,861,973.10
  6. Step 6: Final answer
    x = 131,001,703.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.