Finding the Fourth Proportional to 104,130,352.13, 143,696,774.75 and 57,085,817.00
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Solution
The fourth proportional to 104,130,352.13, 143,696,774.75 and 57,085,817.00 is: 78,776,721.85
Step by Step Solution
- Step 1: Write the proportion equation
104,130,352.13 : 143,696,774.75 = 57,085,817.00 : x - Step 2: Convert to fraction form
104,130,352.13/143,696,774.75 = 57,085,817.00/x - Step 3: Cross multiply
104,130,352.13x = 143,696,774.75 × 57,085,817.00 - Step 4: Simplify right side
104,130,352.13x = 8,203,047,785,864,808 - Step 5: Solve for x
x = 8,203,047,785,864,808/104,130,352.13 - Step 6: Final answer
x = 78,776,721.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.