Finding the Fourth Proportional to 81,484,355.70, 122,226,533.55 and 62,352,479.70
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Solution
The fourth proportional to 81,484,355.70, 122,226,533.55 and 62,352,479.70 is: 93,528,719.55
Step by Step Solution
- Step 1: Write the proportion equation
81,484,355.70 : 122,226,533.55 = 62,352,479.70 : x - Step 2: Convert to fraction form
81,484,355.70/122,226,533.55 = 62,352,479.70/x - Step 3: Cross multiply
81,484,355.70x = 122,226,533.55 × 62,352,479.70 - Step 4: Simplify right side
81,484,355.70x = 7,621,127,451,977,744 - Step 5: Solve for x
x = 7,621,127,451,977,744/81,484,355.70 - Step 6: Final answer
x = 93,528,719.55
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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.