Finding the Fourth Proportional to 201,705,397.80, 302,516,106.30 and 86,693,692.20
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Solution
The fourth proportional to 201,705,397.80, 302,516,106.30 and 86,693,692.20 is: 130,022,490.68
Step by Step Solution
- Step 1: Write the proportion equation
201,705,397.80 : 302,516,106.30 = 86,693,692.20 : x - Step 2: Convert to fraction form
201,705,397.80/302,516,106.30 = 86,693,692.20/x - Step 3: Cross multiply
201,705,397.80x = 302,516,106.30 × 86,693,692.20 - Step 4: Simplify right side
201,705,397.80x = 26,226,238,205,114,684 - Step 5: Solve for x
x = 26,226,238,205,114,684/201,705,397.80 - Step 6: Final answer
x = 130,022,490.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.