Home / 169,971,411.40-255,335,030.70-163,546,880.20

Finding the Fourth Proportional to 169,971,411.40, 255,335,030.70 and 163,546,880.20

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Solution

The fourth proportional to 169,971,411.40, 255,335,030.70 and 163,546,880.20 is: 245,683,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,971,411.40 : 255,335,030.70 = 163,546,880.20 : x
  2. Step 2: Convert to fraction form
    169,971,411.40/255,335,030.70 = 163,546,880.20/x
  3. Step 3: Cross multiply
    169,971,411.40x = 255,335,030.70 × 163,546,880.20
  4. Step 4: Simplify right side
    169,971,411.40x = 41,759,247,676,756,216
  5. Step 5: Solve for x
    x = 41,759,247,676,756,216/169,971,411.40
  6. Step 6: Final answer
    x = 245,683,949.63

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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.