Finding the Fourth Proportional to 109,938,830.70, 164,908,246.05 and 84,110,798.10
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Solution
The fourth proportional to 109,938,830.70, 164,908,246.05 and 84,110,798.10 is: 126,166,197.15
Step by Step Solution
- Step 1: Write the proportion equation
109,938,830.70 : 164,908,246.05 = 84,110,798.10 : x - Step 2: Convert to fraction form
109,938,830.70/164,908,246.05 = 84,110,798.10/x - Step 3: Cross multiply
109,938,830.70x = 164,908,246.05 × 84,110,798.10 - Step 4: Simplify right side
109,938,830.70x = 13,870,564,188,536,672 - Step 5: Solve for x
x = 13,870,564,188,536,672/109,938,830.70 - Step 6: Final answer
x = 126,166,197.15
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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.