Home / 103,594,919.50-155,257,433.80-42,112,261.13

Finding the Fourth Proportional to 103,594,919.50, 155,257,433.80 and 42,112,261.13

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Solution

The fourth proportional to 103,594,919.50, 155,257,433.80 and 42,112,261.13 is: 63,113,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,594,919.50 : 155,257,433.80 = 42,112,261.13 : x
  2. Step 2: Convert to fraction form
    103,594,919.50/155,257,433.80 = 42,112,261.13/x
  3. Step 3: Cross multiply
    103,594,919.50x = 155,257,433.80 × 42,112,261.13
  4. Step 4: Simplify right side
    103,594,919.50x = 6,538,241,594,559,289
  5. Step 5: Solve for x
    x = 6,538,241,594,559,289/103,594,919.50
  6. Step 6: Final answer
    x = 63,113,535.16

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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.