Home / 51,123,312,015.40-76,684,968,023.10-30,171,782,031.40

Finding the Fourth Proportional to 51,123,312,015.40, 76,684,968,023.10 and 30,171,782,031.40

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Solution

The fourth proportional to 51,123,312,015.40, 76,684,968,023.10 and 30,171,782,031.40 is: 45,257,673,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,123,312,015.40 : 76,684,968,023.10 = 30,171,782,031.40 : x
  2. Step 2: Convert to fraction form
    51,123,312,015.40/76,684,968,023.10 = 30,171,782,031.40/x
  3. Step 3: Cross multiply
    51,123,312,015.40x = 76,684,968,023.10 × 30,171,782,031.40
  4. Step 4: Simplify right side
    51,123,312,015.40x = 2,313,722,140,277,852,340,224
  5. Step 5: Solve for x
    x = 2,313,722,140,277,852,340,224/51,123,312,015.40
  6. Step 6: Final answer
    x = 45,257,673,047.10

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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.