Home / 153,670,319.83-212,065,675.92-83,105,928.51

Finding the Fourth Proportional to 153,670,319.83, 212,065,675.92 and 83,105,928.51

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Solution

The fourth proportional to 153,670,319.83, 212,065,675.92 and 83,105,928.51 is: 114,686,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,670,319.83 : 212,065,675.92 = 83,105,928.51 : x
  2. Step 2: Convert to fraction form
    153,670,319.83/212,065,675.92 = 83,105,928.51/x
  3. Step 3: Cross multiply
    153,670,319.83x = 212,065,675.92 × 83,105,928.51
  4. Step 4: Simplify right side
    153,670,319.83x = 17,623,914,900,956,488
  5. Step 5: Solve for x
    x = 17,623,914,900,956,488/153,670,319.83
  6. Step 6: Final answer
    x = 114,686,524.51

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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.