Home / 90,866,355,485.84-136,302,309,965.12-31,174,180,435.32

Finding the Fourth Proportional to 90,866,355,485.84, 136,302,309,965.12 and 31,174,180,435.32

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Solution

The fourth proportional to 90,866,355,485.84, 136,302,309,965.12 and 31,174,180,435.32 is: 46,762,223,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,866,355,485.84 : 136,302,309,965.12 = 31,174,180,435.32 : x
  2. Step 2: Convert to fraction form
    90,866,355,485.84/136,302,309,965.12 = 31,174,180,435.32/x
  3. Step 3: Cross multiply
    90,866,355,485.84x = 136,302,309,965.12 × 31,174,180,435.32
  4. Step 4: Simplify right side
    90,866,355,485.84x = 4,249,112,804,603,565,965,312
  5. Step 5: Solve for x
    x = 4,249,112,804,603,565,965,312/90,866,355,485.84
  6. Step 6: Final answer
    x = 46,762,223,288.09

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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.