Finding the Fourth Proportional to 163,169,658.40, 244,187,617.20 and 149,564,768.80
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Solution
The fourth proportional to 163,169,658.40, 244,187,617.20 and 149,564,768.80 is: 223,827,547.77
Step by Step Solution
- Step 1: Write the proportion equation
163,169,658.40 : 244,187,617.20 = 149,564,768.80 : x - Step 2: Convert to fraction form
163,169,658.40/244,187,617.20 = 149,564,768.80/x - Step 3: Cross multiply
163,169,658.40x = 244,187,617.20 × 149,564,768.80 - Step 4: Simplify right side
163,169,658.40x = 36,521,864,510,340,904 - Step 5: Solve for x
x = 36,521,864,510,340,904/163,169,658.40 - Step 6: Final answer
x = 223,827,547.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.