Finding the Fourth Proportional to 251,963,119.12, 347,709,101.53 and 136,069,615.12
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Solution
The fourth proportional to 251,963,119.12, 347,709,101.53 and 136,069,615.12 is: 187,776,067.32
Step by Step Solution
- Step 1: Write the proportion equation
251,963,119.12 : 347,709,101.53 = 136,069,615.12 : x - Step 2: Convert to fraction form
251,963,119.12/347,709,101.53 = 136,069,615.12/x - Step 3: Cross multiply
251,963,119.12x = 347,709,101.53 × 136,069,615.12 - Step 4: Simplify right side
251,963,119.12x = 47,312,643,618,908,104 - Step 5: Solve for x
x = 47,312,643,618,908,104/251,963,119.12 - Step 6: Final answer
x = 187,776,067.32
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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.