Home / 158,976,010.60-238,464,015.90-86,416,599.40

Finding the Fourth Proportional to 158,976,010.60, 238,464,015.90 and 86,416,599.40

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Solution

The fourth proportional to 158,976,010.60, 238,464,015.90 and 86,416,599.40 is: 129,624,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,010.60 : 238,464,015.90 = 86,416,599.40 : x
  2. Step 2: Convert to fraction form
    158,976,010.60/238,464,015.90 = 86,416,599.40/x
  3. Step 3: Cross multiply
    158,976,010.60x = 238,464,015.90 × 86,416,599.40
  4. Step 4: Simplify right side
    158,976,010.60x = 20,607,249,333,345,532
  5. Step 5: Solve for x
    x = 20,607,249,333,345,532/158,976,010.60
  6. Step 6: Final answer
    x = 129,624,899.10

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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.