Finding the Fourth Proportional to 259,725,698.14, 358,421,657.65 and 140,648,420.90
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Solution
The fourth proportional to 259,725,698.14, 358,421,657.65 and 140,648,420.90 is: 194,094,926.02
Step by Step Solution
- Step 1: Write the proportion equation
259,725,698.14 : 358,421,657.65 = 140,648,420.90 : x - Step 2: Convert to fraction form
259,725,698.14/358,421,657.65 = 140,648,420.90/x - Step 3: Cross multiply
259,725,698.14x = 358,421,657.65 × 140,648,420.90 - Step 4: Simplify right side
259,725,698.14x = 50,411,440,166,575,024 - Step 5: Solve for x
x = 50,411,440,166,575,024/259,725,698.14 - Step 6: Final answer
x = 194,094,926.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.