Finding the Fourth Proportional to 72,609,926.66, 100,201,700.84 and 40,014,878.66
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Solution
The fourth proportional to 72,609,926.66, 100,201,700.84 and 40,014,878.66 is: 55,220,533.68
Step by Step Solution
- Step 1: Write the proportion equation
72,609,926.66 : 100,201,700.84 = 40,014,878.66 : x - Step 2: Convert to fraction form
72,609,926.66/100,201,700.84 = 40,014,878.66/x - Step 3: Cross multiply
72,609,926.66x = 100,201,700.84 × 40,014,878.66 - Step 4: Simplify right side
72,609,926.66x = 4,009,558,900,638,220 - Step 5: Solve for x
x = 4,009,558,900,638,220/72,609,926.66 - Step 6: Final answer
x = 55,220,533.68
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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.