Home / 118,278,848.46-163,384,570.36-89,130,512.46

Finding the Fourth Proportional to 118,278,848.46, 163,384,570.36 and 89,130,512.46

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Solution

The fourth proportional to 118,278,848.46, 163,384,570.36 and 89,130,512.46 is: 123,120,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,278,848.46 : 163,384,570.36 = 89,130,512.46 : x
  2. Step 2: Convert to fraction form
    118,278,848.46/163,384,570.36 = 89,130,512.46/x
  3. Step 3: Cross multiply
    118,278,848.46x = 163,384,570.36 × 89,130,512.46
  4. Step 4: Simplify right side
    118,278,848.46x = 14,562,550,484,243,726
  5. Step 5: Solve for x
    x = 14,562,550,484,243,726/118,278,848.46
  6. Step 6: Final answer
    x = 123,120,495.96

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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.