Finding the Fourth Proportional to 257,070,448.47, 354,752,151.93 and 151,235,301.93
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Solution
The fourth proportional to 257,070,448.47, 354,752,151.93 and 151,235,301.93 is: 208,701,735.76
Step by Step Solution
- Step 1: Write the proportion equation
257,070,448.47 : 354,752,151.93 = 151,235,301.93 : x - Step 2: Convert to fraction form
257,070,448.47/354,752,151.93 = 151,235,301.93/x - Step 3: Cross multiply
257,070,448.47x = 354,752,151.93 × 151,235,301.93 - Step 4: Simplify right side
257,070,448.47x = 53,651,048,807,450,784 - Step 5: Solve for x
x = 53,651,048,807,450,784/257,070,448.47 - Step 6: Final answer
x = 208,701,735.76
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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.