Finding the Fourth Proportional to 57,462,460.16, 79,299,869.64 and 31,358,659.36
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Solution
The fourth proportional to 57,462,460.16, 79,299,869.64 and 31,358,659.36 is: 43,275,863.80
Step by Step Solution
- Step 1: Write the proportion equation
57,462,460.16 : 79,299,869.64 = 31,358,659.36 : x - Step 2: Convert to fraction form
57,462,460.16/79,299,869.64 = 31,358,659.36/x - Step 3: Cross multiply
57,462,460.16x = 79,299,869.64 × 31,358,659.36 - Step 4: Simplify right side
57,462,460.16x = 2,486,737,599,333,166 - Step 5: Solve for x
x = 2,486,737,599,333,166/57,462,460.16 - Step 6: Final answer
x = 43,275,863.80
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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.