Home / 158,984,578.40-238,476,867.60-86,236,210.40

Finding the Fourth Proportional to 158,984,578.40, 238,476,867.60 and 86,236,210.40

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Solution

The fourth proportional to 158,984,578.40, 238,476,867.60 and 86,236,210.40 is: 129,354,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,984,578.40 : 238,476,867.60 = 86,236,210.40 : x
  2. Step 2: Convert to fraction form
    158,984,578.40/238,476,867.60 = 86,236,210.40/x
  3. Step 3: Cross multiply
    158,984,578.40x = 238,476,867.60 × 86,236,210.40
  4. Step 4: Simplify right side
    158,984,578.40x = 20,565,341,329,886,544
  5. Step 5: Solve for x
    x = 20,565,341,329,886,544/158,984,578.40
  6. Step 6: Final answer
    x = 129,354,315.60

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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.