Home / 135,970,166,443.20-203,955,249,664.80-77,197,043,371.20

Finding the Fourth Proportional to 135,970,166,443.20, 203,955,249,664.80 and 77,197,043,371.20

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Solution

The fourth proportional to 135,970,166,443.20, 203,955,249,664.80 and 77,197,043,371.20 is: 115,795,565,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,970,166,443.20 : 203,955,249,664.80 = 77,197,043,371.20 : x
  2. Step 2: Convert to fraction form
    135,970,166,443.20/203,955,249,664.80 = 77,197,043,371.20/x
  3. Step 3: Cross multiply
    135,970,166,443.20x = 203,955,249,664.80 × 77,197,043,371.20
  4. Step 4: Simplify right side
    135,970,166,443.20x = 15,744,742,254,157,487,931,392
  5. Step 5: Solve for x
    x = 15,744,742,254,157,487,931,392/135,970,166,443.20
  6. Step 6: Final answer
    x = 115,795,565,056.80

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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.