Finding the Fourth Proportional to 85,908,405.80, 118,553,619.36 and 47,277,237.80
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Solution
The fourth proportional to 85,908,405.80, 118,553,619.36 and 47,277,237.80 is: 65,242,598.82
Step by Step Solution
- Step 1: Write the proportion equation
85,908,405.80 : 118,553,619.36 = 47,277,237.80 : x - Step 2: Convert to fraction form
85,908,405.80/118,553,619.36 = 47,277,237.80/x - Step 3: Cross multiply
85,908,405.80x = 118,553,619.36 × 47,277,237.80 - Step 4: Simplify right side
85,908,405.80x = 5,604,887,654,533,403 - Step 5: Solve for x
x = 5,604,887,654,533,403/85,908,405.80 - Step 6: Final answer
x = 65,242,598.82
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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.