Finding the Fourth Proportional to 77,792,931.54, 107,360,367.81 and 44,303,823.99
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Solution
The fourth proportional to 77,792,931.54, 107,360,367.81 and 44,303,823.99 is: 61,142,763.81
Step by Step Solution
- Step 1: Write the proportion equation
77,792,931.54 : 107,360,367.81 = 44,303,823.99 : x - Step 2: Convert to fraction form
77,792,931.54/107,360,367.81 = 44,303,823.99/x - Step 3: Cross multiply
77,792,931.54x = 107,360,367.81 × 44,303,823.99 - Step 4: Simplify right side
77,792,931.54x = 4,756,474,838,955,902 - Step 5: Solve for x
x = 4,756,474,838,955,902/77,792,931.54 - Step 6: Final answer
x = 61,142,763.81
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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.