Home / 155,764,466.40-233,288,960.72-77,802,071.52

Finding the Fourth Proportional to 155,764,466.40, 233,288,960.72 and 77,802,071.52

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Solution

The fourth proportional to 155,764,466.40, 233,288,960.72 and 77,802,071.52 is: 116,524,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,764,466.40 : 233,288,960.72 = 77,802,071.52 : x
  2. Step 2: Convert to fraction form
    155,764,466.40/233,288,960.72 = 77,802,071.52/x
  3. Step 3: Cross multiply
    155,764,466.40x = 233,288,960.72 × 77,802,071.52
  4. Step 4: Simplify right side
    155,764,466.40x = 18,150,364,406,763,908
  5. Step 5: Solve for x
    x = 18,150,364,406,763,908/155,764,466.40
  6. Step 6: Final answer
    x = 116,524,421.94

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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.