Finding the Fourth Proportional to 118,248,054.68, 163,158,643.50 and 66,029,055.68
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Solution
The fourth proportional to 118,248,054.68, 163,158,643.50 and 66,029,055.68 is: 91,106,878.55
Step by Step Solution
- Step 1: Write the proportion equation
118,248,054.68 : 163,158,643.50 = 66,029,055.68 : x - Step 2: Convert to fraction form
118,248,054.68/163,158,643.50 = 66,029,055.68/x - Step 3: Cross multiply
118,248,054.68x = 163,158,643.50 × 66,029,055.68 - Step 4: Simplify right side
118,248,054.68x = 10,773,211,156,334,770 - Step 5: Solve for x
x = 10,773,211,156,334,770/118,248,054.68 - Step 6: Final answer
x = 91,106,878.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.