Finding the Fourth Proportional to 122,221,496.58, 183,413,012.88 and 57,543,798.21
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Solution
The fourth proportional to 122,221,496.58, 183,413,012.88 and 57,543,798.21 is: 86,353,724.16
Step by Step Solution
- Step 1: Write the proportion equation
122,221,496.58 : 183,413,012.88 = 57,543,798.21 : x - Step 2: Convert to fraction form
122,221,496.58/183,413,012.88 = 57,543,798.21/x - Step 3: Cross multiply
122,221,496.58x = 183,413,012.88 × 57,543,798.21 - Step 4: Simplify right side
122,221,496.58x = 10,554,281,402,254,850 - Step 5: Solve for x
x = 10,554,281,402,254,850/122,221,496.58 - Step 6: Final answer
x = 86,353,724.16
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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.