Home / 119,630,487.80-179,445,731.70-76,548,337.40

Finding the Fourth Proportional to 119,630,487.80, 179,445,731.70 and 76,548,337.40

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Solution

The fourth proportional to 119,630,487.80, 179,445,731.70 and 76,548,337.40 is: 114,822,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,630,487.80 : 179,445,731.70 = 76,548,337.40 : x
  2. Step 2: Convert to fraction form
    119,630,487.80/179,445,731.70 = 76,548,337.40/x
  3. Step 3: Cross multiply
    119,630,487.80x = 179,445,731.70 × 76,548,337.40
  4. Step 4: Simplify right side
    119,630,487.80x = 13,736,272,415,161,476
  5. Step 5: Solve for x
    x = 13,736,272,415,161,476/119,630,487.80
  6. Step 6: Final answer
    x = 114,822,506.10

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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.