Finding the Fourth Proportional to 291,767,050.25, 402,637,325.47 and 157,805,116.09
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Solution
The fourth proportional to 291,767,050.25, 402,637,325.47 and 157,805,116.09 is: 217,770,409.07
Step by Step Solution
- Step 1: Write the proportion equation
291,767,050.25 : 402,637,325.47 = 157,805,116.09 : x - Step 2: Convert to fraction form
291,767,050.25/402,637,325.47 = 157,805,116.09/x - Step 3: Cross multiply
291,767,050.25x = 402,637,325.47 × 157,805,116.09 - Step 4: Simplify right side
291,767,050.25x = 63,538,229,886,559,352 - Step 5: Solve for x
x = 63,538,229,886,559,352/291,767,050.25 - Step 6: Final answer
x = 217,770,409.07
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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.