Finding the Fourth Proportional to 142,545,822.84, 196,713,235.44 and 77,355,726.84
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Solution
The fourth proportional to 142,545,822.84, 196,713,235.44 and 77,355,726.84 is: 106,750,903.00
Step by Step Solution
- Step 1: Write the proportion equation
142,545,822.84 : 196,713,235.44 = 77,355,726.84 : x - Step 2: Convert to fraction form
142,545,822.84/196,713,235.44 = 77,355,726.84/x - Step 3: Cross multiply
142,545,822.84x = 196,713,235.44 × 77,355,726.84 - Step 4: Simplify right side
142,545,822.84x = 15,216,895,306,509,248 - Step 5: Solve for x
x = 15,216,895,306,509,248/142,545,822.84 - Step 6: Final answer
x = 106,750,903.00
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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.