Home / 110,670,616.80-166,005,925.20-77,668,130.70

Finding the Fourth Proportional to 110,670,616.80, 166,005,925.20 and 77,668,130.70

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Solution

The fourth proportional to 110,670,616.80, 166,005,925.20 and 77,668,130.70 is: 116,502,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,670,616.80 : 166,005,925.20 = 77,668,130.70 : x
  2. Step 2: Convert to fraction form
    110,670,616.80/166,005,925.20 = 77,668,130.70/x
  3. Step 3: Cross multiply
    110,670,616.80x = 166,005,925.20 × 77,668,130.70
  4. Step 4: Simplify right side
    110,670,616.80x = 12,893,369,895,408,024
  5. Step 5: Solve for x
    x = 12,893,369,895,408,024/110,670,616.80
  6. Step 6: Final answer
    x = 116,502,196.05

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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.