Home / 77,485,619.40-106,930,877.94-42,678,437.64

Finding the Fourth Proportional to 77,485,619.40, 106,930,877.94 and 42,678,437.64

Calculator

Solution

The fourth proportional to 77,485,619.40, 106,930,877.94 and 42,678,437.64 is: 58,896,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,485,619.40 : 106,930,877.94 = 42,678,437.64 : x
  2. Step 2: Convert to fraction form
    77,485,619.40/106,930,877.94 = 42,678,437.64/x
  3. Step 3: Cross multiply
    77,485,619.40x = 106,930,877.94 × 42,678,437.64
  4. Step 4: Simplify right side
    77,485,619.40x = 4,563,642,805,952,742
  5. Step 5: Solve for x
    x = 4,563,642,805,952,742/77,485,619.40
  6. Step 6: Final answer
    x = 58,896,642.26

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.