Finding the Fourth Proportional to 163,302,242.40, 244,386,493.20 and 149,697,352.80
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Solution
The fourth proportional to 163,302,242.40, 244,386,493.20 and 149,697,352.80 is: 224,026,385.40
Step by Step Solution
- Step 1: Write the proportion equation
163,302,242.40 : 244,386,493.20 = 149,697,352.80 : x - Step 2: Convert to fraction form
163,302,242.40/244,386,493.20 = 149,697,352.80/x - Step 3: Cross multiply
163,302,242.40x = 244,386,493.20 × 149,697,352.80 - Step 4: Simplify right side
163,302,242.40x = 36,584,011,092,115,200 - Step 5: Solve for x
x = 36,584,011,092,115,200/163,302,242.40 - Step 6: Final answer
x = 224,026,385.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.