Home / 117,456,031.80-176,184,047.70-71,539,529.40

Finding the Fourth Proportional to 117,456,031.80, 176,184,047.70 and 71,539,529.40

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Solution

The fourth proportional to 117,456,031.80, 176,184,047.70 and 71,539,529.40 is: 107,309,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,456,031.80 : 176,184,047.70 = 71,539,529.40 : x
  2. Step 2: Convert to fraction form
    117,456,031.80/176,184,047.70 = 71,539,529.40/x
  3. Step 3: Cross multiply
    117,456,031.80x = 176,184,047.70 × 71,539,529.40
  4. Step 4: Simplify right side
    117,456,031.80x = 12,604,123,860,245,152
  5. Step 5: Solve for x
    x = 12,604,123,860,245,152/117,456,031.80
  6. Step 6: Final answer
    x = 107,309,294.10

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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.