Home / 153,670,403.04-212,065,790.76-83,106,011.76

Finding the Fourth Proportional to 153,670,403.04, 212,065,790.76 and 83,106,011.76

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Solution

The fourth proportional to 153,670,403.04, 212,065,790.76 and 83,106,011.76 is: 114,686,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,670,403.04 : 212,065,790.76 = 83,106,011.76 : x
  2. Step 2: Convert to fraction form
    153,670,403.04/212,065,790.76 = 83,106,011.76/x
  3. Step 3: Cross multiply
    153,670,403.04x = 212,065,790.76 × 83,106,011.76
  4. Step 4: Simplify right side
    153,670,403.04x = 17,623,942,100,794,260
  5. Step 5: Solve for x
    x = 17,623,942,100,794,260/153,670,403.04
  6. Step 6: Final answer
    x = 114,686,639.41

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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.