Home / 103,896,756.45-155,742,345.68-49,213,227.15

Finding the Fourth Proportional to 103,896,756.45, 155,742,345.68 and 49,213,227.15

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Solution

The fourth proportional to 103,896,756.45, 155,742,345.68 and 49,213,227.15 is: 73,771,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,896,756.45 : 155,742,345.68 = 49,213,227.15 : x
  2. Step 2: Convert to fraction form
    103,896,756.45/155,742,345.68 = 49,213,227.15/x
  3. Step 3: Cross multiply
    103,896,756.45x = 155,742,345.68 × 49,213,227.15
  4. Step 4: Simplify right side
    103,896,756.45x = 7,664,583,434,577,595
  5. Step 5: Solve for x
    x = 7,664,583,434,577,595/103,896,756.45
  6. Step 6: Final answer
    x = 73,771,152.21

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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.