Finding the Fourth Proportional to 148,720,267.84, 205,170,299.94 and 92,868,723.40
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Solution
The fourth proportional to 148,720,267.84, 205,170,299.94 and 92,868,723.40 is: 128,119,079.61
Step by Step Solution
- Step 1: Write the proportion equation
148,720,267.84 : 205,170,299.94 = 92,868,723.40 : x - Step 2: Convert to fraction form
148,720,267.84/205,170,299.94 = 92,868,723.40/x - Step 3: Cross multiply
148,720,267.84x = 205,170,299.94 × 92,868,723.40 - Step 4: Simplify right side
148,720,267.84x = 19,053,903,835,022,896 - Step 5: Solve for x
x = 19,053,903,835,022,896/148,720,267.84 - Step 6: Final answer
x = 128,119,079.61
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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.