Home / 153,668,735.19-212,064,522.26-84,052,585.35

Finding the Fourth Proportional to 153,668,735.19, 212,064,522.26 and 84,052,585.35

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Solution

The fourth proportional to 153,668,735.19, 212,064,522.26 and 84,052,585.35 is: 115,993,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,668,735.19 : 212,064,522.26 = 84,052,585.35 : x
  2. Step 2: Convert to fraction form
    153,668,735.19/212,064,522.26 = 84,052,585.35/x
  3. Step 3: Cross multiply
    153,668,735.19x = 212,064,522.26 × 84,052,585.35
  4. Step 4: Simplify right side
    153,668,735.19x = 17,824,571,356,545,360
  5. Step 5: Solve for x
    x = 17,824,571,356,545,360/153,668,735.19
  6. Step 6: Final answer
    x = 115,993,479.97

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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.