Home / 126,312,015.40-189,468,023.10-30,573,903.40

Finding the Fourth Proportional to 126,312,015.40, 189,468,023.10 and 30,573,903.40

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Solution

The fourth proportional to 126,312,015.40, 189,468,023.10 and 30,573,903.40 is: 45,860,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312,015.40 : 189,468,023.10 = 30,573,903.40 : x
  2. Step 2: Convert to fraction form
    126,312,015.40/189,468,023.10 = 30,573,903.40/x
  3. Step 3: Cross multiply
    126,312,015.40x = 189,468,023.10 × 30,573,903.40
  4. Step 4: Simplify right side
    126,312,015.40x = 5,792,777,035,648,368
  5. Step 5: Solve for x
    x = 5,792,777,035,648,368/126,312,015.40
  6. Step 6: Final answer
    x = 45,860,855.10

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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.