Finding the Fourth Proportional to 76,929,803,556.24, 106,163,138,970.64 and 42,637,724,024.54
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Solution
The fourth proportional to 76,929,803,556.24, 106,163,138,970.64 and 42,637,724,024.54 is: 58,840,064,731.22
Step by Step Solution
- Step 1: Write the proportion equation
76,929,803,556.24 : 106,163,138,970.64 = 42,637,724,024.54 : x - Step 2: Convert to fraction form
76,929,803,556.24/106,163,138,970.64 = 42,637,724,024.54/x - Step 3: Cross multiply
76,929,803,556.24x = 106,163,138,970.64 × 42,637,724,024.54 - Step 4: Simplify right side
76,929,803,556.24x = 4,526,554,621,009,354,293,248 - Step 5: Solve for x
x = 4,526,554,621,009,354,293,248/76,929,803,556.24 - Step 6: Final answer
x = 58,840,064,731.22
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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.