Home / 153,784,339.04-212,199,558.38-93,401,910.98

Finding the Fourth Proportional to 153,784,339.04, 212,199,558.38 and 93,401,910.98

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Solution

The fourth proportional to 153,784,339.04, 212,199,558.38 and 93,401,910.98 is: 128,880,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,784,339.04 : 212,199,558.38 = 93,401,910.98 : x
  2. Step 2: Convert to fraction form
    153,784,339.04/212,199,558.38 = 93,401,910.98/x
  3. Step 3: Cross multiply
    153,784,339.04x = 212,199,558.38 × 93,401,910.98
  4. Step 4: Simplify right side
    153,784,339.04x = 19,819,844,261,804,072
  5. Step 5: Solve for x
    x = 19,819,844,261,804,072/153,784,339.04
  6. Step 6: Final answer
    x = 128,880,771.51

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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.