Home / 57,047,519,041.74-85,574,030,686.21-18,757,893,838.46

Finding the Fourth Proportional to 57,047,519,041.74, 85,574,030,686.21 and 18,757,893,838.46

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Solution

The fourth proportional to 57,047,519,041.74, 85,574,030,686.21 and 18,757,893,838.46 is: 28,137,745,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,047,519,041.74 : 85,574,030,686.21 = 18,757,893,838.46 : x
  2. Step 2: Convert to fraction form
    57,047,519,041.74/85,574,030,686.21 = 18,757,893,838.46/x
  3. Step 3: Cross multiply
    57,047,519,041.74x = 85,574,030,686.21 × 18,757,893,838.46
  4. Step 4: Simplify right side
    57,047,519,041.74x = 1,605,188,582,941,045,555,200
  5. Step 5: Solve for x
    x = 1,605,188,582,941,045,555,200/57,047,519,041.74
  6. Step 6: Final answer
    x = 28,137,745,688.23

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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.