Home / 90,866,355,465.81-136,302,309,935.13-31,174,180,415.30

Finding the Fourth Proportional to 90,866,355,465.81, 136,302,309,935.13 and 31,174,180,415.30

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Solution

The fourth proportional to 90,866,355,465.81, 136,302,309,935.13 and 31,174,180,415.30 is: 46,762,223,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,866,355,465.81 : 136,302,309,935.13 = 31,174,180,415.30 : x
  2. Step 2: Convert to fraction form
    90,866,355,465.81/136,302,309,935.13 = 31,174,180,415.30/x
  3. Step 3: Cross multiply
    90,866,355,465.81x = 136,302,309,935.13 × 31,174,180,415.30
  4. Step 4: Simplify right side
    90,866,355,465.81x = 4,249,112,800,939,198,644,224
  5. Step 5: Solve for x
    x = 4,249,112,800,939,198,644,224/90,866,355,465.81
  6. Step 6: Final answer
    x = 46,762,223,258.07

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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.