Finding the Fourth Proportional to 135,544,276.80, 187,055,231.04 and 83,363,973.12
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Solution
The fourth proportional to 135,544,276.80, 187,055,231.04 and 83,363,973.12 is: 115,044,822.40
Step by Step Solution
- Step 1: Write the proportion equation
135,544,276.80 : 187,055,231.04 = 83,363,973.12 : x - Step 2: Convert to fraction form
135,544,276.80/187,055,231.04 = 83,363,973.12/x - Step 3: Cross multiply
135,544,276.80x = 187,055,231.04 × 83,363,973.12 - Step 4: Simplify right side
135,544,276.80x = 15,593,667,252,373,950 - Step 5: Solve for x
x = 15,593,667,252,373,950/135,544,276.80 - Step 6: Final answer
x = 115,044,822.40
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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.