Finding the Fourth Proportional to 73,758,412.35, 110,637,618.53 and 69,979,276.35
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Solution
The fourth proportional to 73,758,412.35, 110,637,618.53 and 69,979,276.35 is: 104,968,914.53
Step by Step Solution
- Step 1: Write the proportion equation
73,758,412.35 : 110,637,618.53 = 69,979,276.35 : x - Step 2: Convert to fraction form
73,758,412.35/110,637,618.53 = 69,979,276.35/x - Step 3: Cross multiply
73,758,412.35x = 110,637,618.53 × 69,979,276.35 - Step 4: Simplify right side
73,758,412.35x = 7,742,340,481,466,854 - Step 5: Solve for x
x = 7,742,340,481,466,854/73,758,412.35 - Step 6: Final answer
x = 104,968,914.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.