Finding the Fourth Proportional to 127,299,603.30, 175,642,808.28 and 74,346,280.98
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Solution
The fourth proportional to 127,299,603.30, 175,642,808.28 and 74,346,280.98 is: 102,579,970.70
Step by Step Solution
- Step 1: Write the proportion equation
127,299,603.30 : 175,642,808.28 = 74,346,280.98 : x - Step 2: Convert to fraction form
127,299,603.30/175,642,808.28 = 74,346,280.98/x - Step 3: Cross multiply
127,299,603.30x = 175,642,808.28 × 74,346,280.98 - Step 4: Simplify right side
127,299,603.30x = 13,058,389,576,501,152 - Step 5: Solve for x
x = 13,058,389,576,501,152/127,299,603.30 - Step 6: Final answer
x = 102,579,970.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.