Finding the Fourth Proportional to 99,298,587.02, 137,033,305.05 and 54,649,698.18
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Solution
The fourth proportional to 99,298,587.02, 137,033,305.05 and 54,649,698.18 is: 75,417,274.17
Step by Step Solution
- Step 1: Write the proportion equation
99,298,587.02 : 137,033,305.05 = 54,649,698.18 : x - Step 2: Convert to fraction form
99,298,587.02/137,033,305.05 = 54,649,698.18/x - Step 3: Cross multiply
99,298,587.02x = 137,033,305.05 × 54,649,698.18 - Step 4: Simplify right side
99,298,587.02x = 7,488,828,761,590,370 - Step 5: Solve for x
x = 7,488,828,761,590,370/99,298,587.02 - Step 6: Final answer
x = 75,417,274.17
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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.