Finding the Fourth Proportional to 128,936,767.68, 193,426,159.68 and 38,069,542.08
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Solution
The fourth proportional to 128,936,767.68, 193,426,159.68 and 38,069,542.08 is: 57,110,515.94
Step by Step Solution
- Step 1: Write the proportion equation
128,936,767.68 : 193,426,159.68 = 38,069,542.08 : x - Step 2: Convert to fraction form
128,936,767.68/193,426,159.68 = 38,069,542.08/x - Step 3: Cross multiply
128,936,767.68x = 193,426,159.68 × 38,069,542.08 - Step 4: Simplify right side
128,936,767.68x = 7,363,645,325,310,559 - Step 5: Solve for x
x = 7,363,645,325,310,559/128,936,767.68 - Step 6: Final answer
x = 57,110,515.94
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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.