Finding the Fourth Proportional to 73,706,603.80, 110,559,905.70 and 65,203,547.80
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Solution
The fourth proportional to 73,706,603.80, 110,559,905.70 and 65,203,547.80 is: 97,805,321.70
Step by Step Solution
- Step 1: Write the proportion equation
73,706,603.80 : 110,559,905.70 = 65,203,547.80 : x - Step 2: Convert to fraction form
73,706,603.80/110,559,905.70 = 65,203,547.80/x - Step 3: Cross multiply
73,706,603.80x = 110,559,905.70 × 65,203,547.80 - Step 4: Simplify right side
73,706,603.80x = 7,208,898,096,073,442 - Step 5: Solve for x
x = 7,208,898,096,073,442/73,706,603.80 - Step 6: Final answer
x = 97,805,321.70
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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.