Finding the Fourth Proportional to 159,943,961,382.21, 239,998,426,588.05 and 74,962,389,440.34
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Solution
The fourth proportional to 159,943,961,382.21, 239,998,426,588.05 and 74,962,389,440.34 is: 112,482,242,927.39
Step by Step Solution
- Step 1: Write the proportion equation
159,943,961,382.21 : 239,998,426,588.05 = 74,962,389,440.34 : x - Step 2: Convert to fraction form
159,943,961,382.21/239,998,426,588.05 = 74,962,389,440.34/x - Step 3: Cross multiply
159,943,961,382.21x = 239,998,426,588.05 × 74,962,389,440.34 - Step 4: Simplify right side
159,943,961,382.21x = 17,990,855,518,962,252,251,136 - Step 5: Solve for x
x = 17,990,855,518,962,252,251,136/159,943,961,382.21 - Step 6: Final answer
x = 112,482,242,927.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.