Finding the Fourth Proportional to 153,149,365.98, 211,346,786.79 and 83,536,242.30
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Solution
The fourth proportional to 153,149,365.98, 211,346,786.79 and 83,536,242.30 is: 115,280,375.32
Step by Step Solution
- Step 1: Write the proportion equation
153,149,365.98 : 211,346,786.79 = 83,536,242.30 : x - Step 2: Convert to fraction form
153,149,365.98/211,346,786.79 = 83,536,242.30/x - Step 3: Cross multiply
153,149,365.98x = 211,346,786.79 × 83,536,242.30 - Step 4: Simplify right side
153,149,365.98x = 17,655,116,390,615,878 - Step 5: Solve for x
x = 17,655,116,390,615,878/153,149,365.98 - Step 6: Final answer
x = 115,280,375.32
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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.