Home / 213,681,640-294,880,682.64-120,860,150.08

Finding the Fourth Proportional to 213,681,640, 294,880,682.64 and 120,860,150.08

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Solution

The fourth proportional to 213,681,640, 294,880,682.64 and 120,860,150.08 is: 166,787,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,681,640 : 294,880,682.64 = 120,860,150.08 : x
  2. Step 2: Convert to fraction form
    213,681,640/294,880,682.64 = 120,860,150.08/x
  3. Step 3: Cross multiply
    213,681,640x = 294,880,682.64 × 120,860,150.08
  4. Step 4: Simplify right side
    213,681,640x = 35,639,323,559,563,248
  5. Step 5: Solve for x
    x = 35,639,323,559,563,248/213,681,640
  6. Step 6: Final answer
    x = 166,787,018.11

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1.5x scale

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.