Home / 51,123,312,014.40-76,684,968,021.60-30,171,782,030.40

Finding the Fourth Proportional to 51,123,312,014.40, 76,684,968,021.60 and 30,171,782,030.40

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Solution

The fourth proportional to 51,123,312,014.40, 76,684,968,021.60 and 30,171,782,030.40 is: 45,257,673,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,123,312,014.40 : 76,684,968,021.60 = 30,171,782,030.40 : x
  2. Step 2: Convert to fraction form
    51,123,312,014.40/76,684,968,021.60 = 30,171,782,030.40/x
  3. Step 3: Cross multiply
    51,123,312,014.40x = 76,684,968,021.60 × 30,171,782,030.40
  4. Step 4: Simplify right side
    51,123,312,014.40x = 2,313,722,140,155,909,767,168
  5. Step 5: Solve for x
    x = 2,313,722,140,155,909,767,168/51,123,312,014.40
  6. Step 6: Final answer
    x = 45,257,673,045.60

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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.