Finding the Fourth Proportional to 176,569,615.36, 243,528,030.72 and 114,709,885.12
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Solution
The fourth proportional to 176,569,615.36, 243,528,030.72 and 114,709,885.12 is: 158,209,963.65
Step by Step Solution
- Step 1: Write the proportion equation
176,569,615.36 : 243,528,030.72 = 114,709,885.12 : x - Step 2: Convert to fraction form
176,569,615.36/243,528,030.72 = 114,709,885.12/x - Step 3: Cross multiply
176,569,615.36x = 243,528,030.72 × 114,709,885.12 - Step 4: Simplify right side
176,569,615.36x = 27,935,072,427,391,032 - Step 5: Solve for x
x = 27,935,072,427,391,032/176,569,615.36 - Step 6: Final answer
x = 158,209,963.65
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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.