Finding the Fourth Proportional to 128,860,351.84, 177,829,425.90 and 70,125,492.52
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Solution
The fourth proportional to 128,860,351.84, 177,829,425.90 and 70,125,492.52 is: 96,774,344.46
Step by Step Solution
- Step 1: Write the proportion equation
128,860,351.84 : 177,829,425.90 = 70,125,492.52 : x - Step 2: Convert to fraction form
128,860,351.84/177,829,425.90 = 70,125,492.52/x - Step 3: Cross multiply
128,860,351.84x = 177,829,425.90 × 70,125,492.52 - Step 4: Simplify right side
128,860,351.84x = 12,470,376,075,786,344 - Step 5: Solve for x
x = 12,470,376,075,786,344/128,860,351.84 - Step 6: Final answer
x = 96,774,344.46
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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.