Home / 128,202,485.10-192,303,727.65-37,329,038.70

Finding the Fourth Proportional to 128,202,485.10, 192,303,727.65 and 37,329,038.70

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Solution

The fourth proportional to 128,202,485.10, 192,303,727.65 and 37,329,038.70 is: 55,993,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,202,485.10 : 192,303,727.65 = 37,329,038.70 : x
  2. Step 2: Convert to fraction form
    128,202,485.10/192,303,727.65 = 37,329,038.70/x
  3. Step 3: Cross multiply
    128,202,485.10x = 192,303,727.65 × 37,329,038.70
  4. Step 4: Simplify right side
    128,202,485.10x = 7,178,513,291,601,111
  5. Step 5: Solve for x
    x = 7,178,513,291,601,111/128,202,485.10
  6. Step 6: Final answer
    x = 55,993,558.05

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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.