Home / 48,406,950.40-72,610,425.60-42,434,982.40

Finding the Fourth Proportional to 48,406,950.40, 72,610,425.60 and 42,434,982.40

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Solution

The fourth proportional to 48,406,950.40, 72,610,425.60 and 42,434,982.40 is: 63,652,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406,950.40 : 72,610,425.60 = 42,434,982.40 : x
  2. Step 2: Convert to fraction form
    48,406,950.40/72,610,425.60 = 42,434,982.40/x
  3. Step 3: Cross multiply
    48,406,950.40x = 72,610,425.60 × 42,434,982.40
  4. Step 4: Simplify right side
    48,406,950.40x = 3,081,222,132,392,509
  5. Step 5: Solve for x
    x = 3,081,222,132,392,509/48,406,950.40
  6. Step 6: Final answer
    x = 63,652,473.60

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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.