Finding the Fourth Proportional to 77,055,681.99, 115,571,219.39 and 22,455,495.99
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Solution
The fourth proportional to 77,055,681.99, 115,571,219.39 and 22,455,495.99 is: 33,679,658.48
Step by Step Solution
- Step 1: Write the proportion equation
77,055,681.99 : 115,571,219.39 = 22,455,495.99 : x - Step 2: Convert to fraction form
77,055,681.99/115,571,219.39 = 22,455,495.99/x - Step 3: Cross multiply
77,055,681.99x = 115,571,219.39 × 22,455,495.99 - Step 4: Simplify right side
77,055,681.99x = 2,595,209,053,459,277.50 - Step 5: Solve for x
x = 2,595,209,053,459,277.50/77,055,681.99 - Step 6: Final answer
x = 33,679,658.48
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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.