Home / 153,138,981.16-229,579,351.26-66,814,071.40

Finding the Fourth Proportional to 153,138,981.16, 229,579,351.26 and 66,814,071.40

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Solution

The fourth proportional to 153,138,981.16, 229,579,351.26 and 66,814,071.40 is: 100,164,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,138,981.16 : 229,579,351.26 = 66,814,071.40 : x
  2. Step 2: Convert to fraction form
    153,138,981.16/229,579,351.26 = 66,814,071.40/x
  3. Step 3: Cross multiply
    153,138,981.16x = 229,579,351.26 × 66,814,071.40
  4. Step 4: Simplify right side
    153,138,981.16x = 15,339,131,167,051,318
  5. Step 5: Solve for x
    x = 15,339,131,167,051,318/153,138,981.16
  6. Step 6: Final answer
    x = 100,164,772.23

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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.