Finding the Fourth Proportional to 97,875,116.32, 135,034,606.36 and 55,484,131.04
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Solution
The fourth proportional to 97,875,116.32, 135,034,606.36 and 55,484,131.04 is: 76,549,362.86
Step by Step Solution
- Step 1: Write the proportion equation
97,875,116.32 : 135,034,606.36 = 55,484,131.04 : x - Step 2: Convert to fraction form
97,875,116.32/135,034,606.36 = 55,484,131.04/x - Step 3: Cross multiply
97,875,116.32x = 135,034,606.36 × 55,484,131.04 - Step 4: Simplify right side
97,875,116.32x = 7,492,277,794,213,058 - Step 5: Solve for x
x = 7,492,277,794,213,058/97,875,116.32 - Step 6: Final answer
x = 76,549,362.86
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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.