Finding the Fourth Proportional to 325,163,923.93, 487,643,095.81 and 106,778,264.41
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Solution
The fourth proportional to 325,163,923.93, 487,643,095.81 and 106,778,264.41 is: 160,133,642.11
Step by Step Solution
- Step 1: Write the proportion equation
325,163,923.93 : 487,643,095.81 = 106,778,264.41 : x - Step 2: Convert to fraction form
325,163,923.93/487,643,095.81 = 106,778,264.41/x - Step 3: Cross multiply
325,163,923.93x = 487,643,095.81 × 106,778,264.41 - Step 4: Simplify right side
325,163,923.93x = 52,069,683,422,111,144 - Step 5: Solve for x
x = 52,069,683,422,111,144/325,163,923.93 - Step 6: Final answer
x = 160,133,642.11
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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.