Finding the Fourth Proportional to 316,583,557.18, 436,885,350.32 and 175,463,888.31
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Solution
The fourth proportional to 316,583,557.18, 436,885,350.32 and 175,463,888.31 is: 242,140,188.82
Step by Step Solution
- Step 1: Write the proportion equation
316,583,557.18 : 436,885,350.32 = 175,463,888.31 : x - Step 2: Convert to fraction form
316,583,557.18/436,885,350.32 = 175,463,888.31/x - Step 3: Cross multiply
316,583,557.18x = 436,885,350.32 × 175,463,888.31 - Step 4: Simplify right side
316,583,557.18x = 76,657,602,313,262,368 - Step 5: Solve for x
x = 76,657,602,313,262,368/316,583,557.18 - Step 6: Final answer
x = 242,140,188.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.