Finding the Fourth Proportional to 99,623,166.30, 149,462,743.05 and 48,506,852.70
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Solution
The fourth proportional to 99,623,166.30, 149,462,743.05 and 48,506,852.70 is: 72,773,909.23
Step by Step Solution
- Step 1: Write the proportion equation
99,623,166.30 : 149,462,743.05 = 48,506,852.70 : x - Step 2: Convert to fraction form
99,623,166.30/149,462,743.05 = 48,506,852.70/x - Step 3: Cross multiply
99,623,166.30x = 149,462,743.05 × 48,506,852.70 - Step 4: Simplify right side
99,623,166.30x = 7,249,967,261,264,300 - Step 5: Solve for x
x = 7,249,967,261,264,300/99,623,166.30 - Step 6: Final answer
x = 72,773,909.23
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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.