Home / 163,730,566.32-225,947,011.74-89,391,124.56

Finding the Fourth Proportional to 163,730,566.32, 225,947,011.74 and 89,391,124.56

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Solution

The fourth proportional to 163,730,566.32, 225,947,011.74 and 89,391,124.56 is: 123,359,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,730,566.32 : 225,947,011.74 = 89,391,124.56 : x
  2. Step 2: Convert to fraction form
    163,730,566.32/225,947,011.74 = 89,391,124.56/x
  3. Step 3: Cross multiply
    163,730,566.32x = 225,947,011.74 × 89,391,124.56
  4. Step 4: Simplify right side
    163,730,566.32x = 20,197,657,470,410,124
  5. Step 5: Solve for x
    x = 20,197,657,470,410,124/163,730,566.32
  6. Step 6: Final answer
    x = 123,359,113.23

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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.