Finding the Fourth Proportional to 99,688,860.90, 149,533,291.35 and 56,541,392.10
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Solution
The fourth proportional to 99,688,860.90, 149,533,291.35 and 56,541,392.10 is: 84,812,088.15
Step by Step Solution
- Step 1: Write the proportion equation
99,688,860.90 : 149,533,291.35 = 56,541,392.10 : x - Step 2: Convert to fraction form
99,688,860.90/149,533,291.35 = 56,541,392.10/x - Step 3: Cross multiply
99,688,860.90x = 149,533,291.35 × 56,541,392.10 - Step 4: Simplify right side
99,688,860.90x = 8,454,820,458,223,888 - Step 5: Solve for x
x = 8,454,820,458,223,888/99,688,860.90 - Step 6: Final answer
x = 84,812,088.15
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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.