Finding the Fourth Proportional to 108,531,594.02, 149,756,739.71 and 64,477,460.63
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Solution
The fourth proportional to 108,531,594.02, 149,756,739.71 and 64,477,460.63 is: 88,968,879.30
Step by Step Solution
- Step 1: Write the proportion equation
108,531,594.02 : 149,756,739.71 = 64,477,460.63 : x - Step 2: Convert to fraction form
108,531,594.02/149,756,739.71 = 64,477,460.63/x - Step 3: Cross multiply
108,531,594.02x = 149,756,739.71 × 64,477,460.63 - Step 4: Simplify right side
108,531,594.02x = 9,655,934,288,780,688 - Step 5: Solve for x
x = 9,655,934,288,780,688/108,531,594.02 - Step 6: Final answer
x = 88,968,879.30
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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.