Home / 158,976,009.60-238,464,014.40-86,416,598.40

Finding the Fourth Proportional to 158,976,009.60, 238,464,014.40 and 86,416,598.40

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Solution

The fourth proportional to 158,976,009.60, 238,464,014.40 and 86,416,598.40 is: 129,624,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,009.60 : 238,464,014.40 = 86,416,598.40 : x
  2. Step 2: Convert to fraction form
    158,976,009.60/238,464,014.40 = 86,416,598.40/x
  3. Step 3: Cross multiply
    158,976,009.60x = 238,464,014.40 × 86,416,598.40
  4. Step 4: Simplify right side
    158,976,009.60x = 20,607,248,965,256,620
  5. Step 5: Solve for x
    x = 20,607,248,965,256,620/158,976,009.60
  6. Step 6: Final answer
    x = 129,624,897.60

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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.