Finding the Fourth Proportional to 251,069,374.64, 346,479,880.28 and 138,043,642
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Solution
The fourth proportional to 251,069,374.64, 346,479,880.28 and 138,043,642 is: 190,502,504.03
Step by Step Solution
- Step 1: Write the proportion equation
251,069,374.64 : 346,479,880.28 = 138,043,642 : x - Step 2: Convert to fraction form
251,069,374.64/346,479,880.28 = 138,043,642/x - Step 3: Cross multiply
251,069,374.64x = 346,479,880.28 × 138,043,642 - Step 4: Simplify right side
251,069,374.64x = 47,829,344,553,575,176 - Step 5: Solve for x
x = 47,829,344,553,575,176/251,069,374.64 - Step 6: Final answer
x = 190,502,504.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.