Finding the Fourth Proportional to 291,767,051.25, 402,637,326.85 and 157,805,117.09
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Solution
The fourth proportional to 291,767,051.25, 402,637,326.85 and 157,805,117.09 is: 217,770,410.46
Step by Step Solution
- Step 1: Write the proportion equation
291,767,051.25 : 402,637,326.85 = 157,805,117.09 : x - Step 2: Convert to fraction form
291,767,051.25/402,637,326.85 = 157,805,117.09/x - Step 3: Cross multiply
291,767,051.25x = 402,637,326.85 × 157,805,117.09 - Step 4: Simplify right side
291,767,051.25x = 63,538,230,508,368,856 - Step 5: Solve for x
x = 63,538,230,508,368,856/291,767,051.25 - Step 6: Final answer
x = 217,770,410.46
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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.