Home / 60,542,006.40-90,813,009.60-42,402,153.60

Finding the Fourth Proportional to 60,542,006.40, 90,813,009.60 and 42,402,153.60

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Solution

The fourth proportional to 60,542,006.40, 90,813,009.60 and 42,402,153.60 is: 63,603,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,542,006.40 : 90,813,009.60 = 42,402,153.60 : x
  2. Step 2: Convert to fraction form
    60,542,006.40/90,813,009.60 = 42,402,153.60/x
  3. Step 3: Cross multiply
    60,542,006.40x = 90,813,009.60 × 42,402,153.60
  4. Step 4: Simplify right side
    60,542,006.40x = 3,850,667,181,937,474.50
  5. Step 5: Solve for x
    x = 3,850,667,181,937,474.50/60,542,006.40
  6. Step 6: Final answer
    x = 63,603,230.40

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1.5x scale

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.