Finding the Fourth Proportional to 172,406,329,000.74, 237,886,227,768.69 and 96,271,028,458.74
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Solution
The fourth proportional to 172,406,329,000.74, 237,886,227,768.69 and 96,271,028,458.74 is: 132,834,751,114.99
Step by Step Solution
- Step 1: Write the proportion equation
172,406,329,000.74 : 237,886,227,768.69 = 96,271,028,458.74 : x - Step 2: Convert to fraction form
172,406,329,000.74/237,886,227,768.69 = 96,271,028,458.74/x - Step 3: Cross multiply
172,406,329,000.74x = 237,886,227,768.69 × 96,271,028,458.74 - Step 4: Simplify right side
172,406,329,000.74x = 22,901,551,803,461,860,851,712 - Step 5: Solve for x
x = 22,901,551,803,461,860,851,712/172,406,329,000.74 - Step 6: Final answer
x = 132,834,751,114.99
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1.5x scale
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.