Finding the Fourth Proportional to 91,406,648.64, 126,141,176.52 and 52,249,273.68
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Solution
The fourth proportional to 91,406,648.64, 126,141,176.52 and 52,249,273.68 is: 72,103,998.48
Step by Step Solution
- Step 1: Write the proportion equation
91,406,648.64 : 126,141,176.52 = 52,249,273.68 : x - Step 2: Convert to fraction form
91,406,648.64/126,141,176.52 = 52,249,273.68/x - Step 3: Cross multiply
91,406,648.64x = 126,141,176.52 × 52,249,273.68 - Step 4: Simplify right side
91,406,648.64x = 6,590,784,854,191,252 - Step 5: Solve for x
x = 6,590,784,854,191,252/91,406,648.64 - Step 6: Final answer
x = 72,103,998.48
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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.