Home / 190,730,120.16-263,300,870.88-127,983,768.24

Finding the Fourth Proportional to 190,730,120.16, 263,300,870.88 and 127,983,768.24

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Solution

The fourth proportional to 190,730,120.16, 263,300,870.88 and 127,983,768.24 is: 176,680,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,730,120.16 : 263,300,870.88 = 127,983,768.24 : x
  2. Step 2: Convert to fraction form
    190,730,120.16/263,300,870.88 = 127,983,768.24/x
  3. Step 3: Cross multiply
    190,730,120.16x = 263,300,870.88 × 127,983,768.24
  4. Step 4: Simplify right side
    190,730,120.16x = 33,698,237,636,096,084
  5. Step 5: Solve for x
    x = 33,698,237,636,096,084/190,730,120.16
  6. Step 6: Final answer
    x = 176,680,209.75

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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.