Home / 154,973,029.60-232,459,544.40-86,948,581.60

Finding the Fourth Proportional to 154,973,029.60, 232,459,544.40 and 86,948,581.60

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Solution

The fourth proportional to 154,973,029.60, 232,459,544.40 and 86,948,581.60 is: 130,422,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,973,029.60 : 232,459,544.40 = 86,948,581.60 : x
  2. Step 2: Convert to fraction form
    154,973,029.60/232,459,544.40 = 86,948,581.60/x
  3. Step 3: Cross multiply
    154,973,029.60x = 232,459,544.40 × 86,948,581.60
  4. Step 4: Simplify right side
    154,973,029.60x = 20,212,027,664,962,224
  5. Step 5: Solve for x
    x = 20,212,027,664,962,224/154,973,029.60
  6. Step 6: Final answer
    x = 130,422,872.40

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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.