Home / 153,818,960.93-212,270,149.69-83,254,559.41

Finding the Fourth Proportional to 153,818,960.93, 212,270,149.69 and 83,254,559.41

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Solution

The fourth proportional to 153,818,960.93, 212,270,149.69 and 83,254,559.41 is: 114,891,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,818,960.93 : 212,270,149.69 = 83,254,559.41 : x
  2. Step 2: Convert to fraction form
    153,818,960.93/212,270,149.69 = 83,254,559.41/x
  3. Step 3: Cross multiply
    153,818,960.93x = 212,270,149.69 × 83,254,559.41
  4. Step 4: Simplify right side
    153,818,960.93x = 17,672,457,787,893,610
  5. Step 5: Solve for x
    x = 17,672,457,787,893,610/153,818,960.93
  6. Step 6: Final answer
    x = 114,891,283.11

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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.