Finding the Fourth Proportional to 101,053,247.94, 139,453,316.82 and 57,000,109.68
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Solution
The fourth proportional to 101,053,247.94, 139,453,316.82 and 57,000,109.68 is: 78,660,058.10
Step by Step Solution
- Step 1: Write the proportion equation
101,053,247.94 : 139,453,316.82 = 57,000,109.68 : x - Step 2: Convert to fraction form
101,053,247.94/139,453,316.82 = 57,000,109.68/x - Step 3: Cross multiply
101,053,247.94x = 139,453,316.82 × 57,000,109.68 - Step 4: Simplify right side
101,053,247.94x = 7,948,854,353,979,788 - Step 5: Solve for x
x = 7,948,854,353,979,788/101,053,247.94 - Step 6: Final answer
x = 78,660,058.10
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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.