Finding the Fourth Proportional to 180,435,810.57, 249,001,658.87 and 97,929,595.32
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Solution
The fourth proportional to 180,435,810.57, 249,001,658.87 and 97,929,595.32 is: 135,142,971.95
Step by Step Solution
- Step 1: Write the proportion equation
180,435,810.57 : 249,001,658.87 = 97,929,595.32 : x - Step 2: Convert to fraction form
180,435,810.57/249,001,658.87 = 97,929,595.32/x - Step 3: Cross multiply
180,435,810.57x = 249,001,658.87 × 97,929,595.32 - Step 4: Simplify right side
180,435,810.57x = 24,384,631,686,658,140 - Step 5: Solve for x
x = 24,384,631,686,658,140/180,435,810.57 - Step 6: Final answer
x = 135,142,971.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.