Finding the Fourth Proportional to 93,319,675.20, 139,979,512.80 and 84,249,748.80
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Solution
The fourth proportional to 93,319,675.20, 139,979,512.80 and 84,249,748.80 is: 126,374,623.20
Step by Step Solution
- Step 1: Write the proportion equation
93,319,675.20 : 139,979,512.80 = 84,249,748.80 : x - Step 2: Convert to fraction form
93,319,675.20/139,979,512.80 = 84,249,748.80/x - Step 3: Cross multiply
93,319,675.20x = 139,979,512.80 × 84,249,748.80 - Step 4: Simplify right side
93,319,675.20x = 11,793,238,790,546,386 - Step 5: Solve for x
x = 11,793,238,790,546,386/93,319,675.20 - Step 6: Final answer
x = 126,374,623.20
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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.