Home / 153,900,239.49-212,381,366.58-83,334,357.39

Finding the Fourth Proportional to 153,900,239.49, 212,381,366.58 and 83,334,357.39

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Solution

The fourth proportional to 153,900,239.49, 212,381,366.58 and 83,334,357.39 is: 115,000,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,900,239.49 : 212,381,366.58 = 83,334,357.39 : x
  2. Step 2: Convert to fraction form
    153,900,239.49/212,381,366.58 = 83,334,357.39/x
  3. Step 3: Cross multiply
    153,900,239.49x = 212,381,366.58 × 83,334,357.39
  4. Step 4: Simplify right side
    153,900,239.49x = 17,698,664,705,554,324
  5. Step 5: Solve for x
    x = 17,698,664,705,554,324/153,900,239.49
  6. Step 6: Final answer
    x = 115,000,891.25

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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.