Finding the Fourth Proportional to 64,754,841.60, 97,006,291.20 and 39,119,702.40
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Solution
The fourth proportional to 64,754,841.60, 97,006,291.20 and 39,119,702.40 is: 58,603,451.86
Step by Step Solution
- Step 1: Write the proportion equation
64,754,841.60 : 97,006,291.20 = 39,119,702.40 : x - Step 2: Convert to fraction form
64,754,841.60/97,006,291.20 = 39,119,702.40/x - Step 3: Cross multiply
64,754,841.60x = 97,006,291.20 × 39,119,702.40 - Step 4: Simplify right side
64,754,841.60x = 3,794,857,242,671,739 - Step 5: Solve for x
x = 3,794,857,242,671,739/64,754,841.60 - Step 6: Final answer
x = 58,603,451.86
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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.