Finding the Fourth Proportional to 291,537,318.96, 402,326,281.80 and 174,072,913.92
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Solution
The fourth proportional to 291,537,318.96, 402,326,281.80 and 174,072,913.92 is: 240,223,476.26
Step by Step Solution
- Step 1: Write the proportion equation
291,537,318.96 : 402,326,281.80 = 174,072,913.92 : x - Step 2: Convert to fraction form
291,537,318.96/402,326,281.80 = 174,072,913.92/x - Step 3: Cross multiply
291,537,318.96x = 402,326,281.80 × 174,072,913.92 - Step 4: Simplify right side
291,537,318.96x = 70,034,108,219,525,056 - Step 5: Solve for x
x = 70,034,108,219,525,056/291,537,318.96 - Step 6: Final answer
x = 240,223,476.26
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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.