Home / 48,406,975.40-72,610,463.10-42,435,007.40

Finding the Fourth Proportional to 48,406,975.40, 72,610,463.10 and 42,435,007.40

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Solution

The fourth proportional to 48,406,975.40, 72,610,463.10 and 42,435,007.40 is: 63,652,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406,975.40 : 72,610,463.10 = 42,435,007.40 : x
  2. Step 2: Convert to fraction form
    48,406,975.40/72,610,463.10 = 42,435,007.40/x
  3. Step 3: Cross multiply
    48,406,975.40x = 72,610,463.10 × 42,435,007.40
  4. Step 4: Simplify right side
    48,406,975.40x = 3,081,225,538,965,926.50
  5. Step 5: Solve for x
    x = 3,081,225,538,965,926.50/48,406,975.40
  6. Step 6: Final answer
    x = 63,652,511.10

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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.