Finding the Fourth Proportional to 201,657,954.30, 302,486,931.45 and 65,357,115.90
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Solution
The fourth proportional to 201,657,954.30, 302,486,931.45 and 65,357,115.90 is: 98,035,673.85
Step by Step Solution
- Step 1: Write the proportion equation
201,657,954.30 : 302,486,931.45 = 65,357,115.90 : x - Step 2: Convert to fraction form
201,657,954.30/302,486,931.45 = 65,357,115.90/x - Step 3: Cross multiply
201,657,954.30x = 302,486,931.45 × 65,357,115.90 - Step 4: Simplify right side
201,657,954.30x = 19,769,673,437,013,004 - Step 5: Solve for x
x = 19,769,673,437,013,004/201,657,954.30 - Step 6: Final answer
x = 98,035,673.85
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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.