Home / 163,943,426.20-245,915,139.30-42,774,878.20

Finding the Fourth Proportional to 163,943,426.20, 245,915,139.30 and 42,774,878.20

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Solution

The fourth proportional to 163,943,426.20, 245,915,139.30 and 42,774,878.20 is: 64,162,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,943,426.20 : 245,915,139.30 = 42,774,878.20 : x
  2. Step 2: Convert to fraction form
    163,943,426.20/245,915,139.30 = 42,774,878.20/x
  3. Step 3: Cross multiply
    163,943,426.20x = 245,915,139.30 × 42,774,878.20
  4. Step 4: Simplify right side
    163,943,426.20x = 10,518,990,131,093,534
  5. Step 5: Solve for x
    x = 10,518,990,131,093,534/163,943,426.20
  6. Step 6: Final answer
    x = 64,162,317.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.