Home / 152,023,671.80-209,792,947.08-82,408,837.40

Finding the Fourth Proportional to 152,023,671.80, 209,792,947.08 and 82,408,837.40

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Solution

The fourth proportional to 152,023,671.80, 209,792,947.08 and 82,408,837.40 is: 113,724,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,023,671.80 : 209,792,947.08 = 82,408,837.40 : x
  2. Step 2: Convert to fraction form
    152,023,671.80/209,792,947.08 = 82,408,837.40/x
  3. Step 3: Cross multiply
    152,023,671.80x = 209,792,947.08 × 82,408,837.40
  4. Step 4: Simplify right side
    152,023,671.80x = 17,288,792,863,582,528
  5. Step 5: Solve for x
    x = 17,288,792,863,582,528/152,023,671.80
  6. Step 6: Final answer
    x = 113,724,347.39

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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.