Finding the Fourth Proportional to 357,515,554.41, 536,283,394.65 and 98,730,775.80
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Solution
The fourth proportional to 357,515,554.41, 536,283,394.65 and 98,730,775.80 is: 148,098,942.69
Step by Step Solution
- Step 1: Write the proportion equation
357,515,554.41 : 536,283,394.65 = 98,730,775.80 : x - Step 2: Convert to fraction form
357,515,554.41/536,283,394.65 = 98,730,775.80/x - Step 3: Cross multiply
357,515,554.41x = 536,283,394.65 × 98,730,775.80 - Step 4: Simplify right side
357,515,554.41x = 52,947,675,602,452,064 - Step 5: Solve for x
x = 52,947,675,602,452,064/357,515,554.41 - Step 6: Final answer
x = 148,098,942.69
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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.