Home / 72,756,420.40-109,134,630.60-63,190,482.40

Finding the Fourth Proportional to 72,756,420.40, 109,134,630.60 and 63,190,482.40

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Solution

The fourth proportional to 72,756,420.40, 109,134,630.60 and 63,190,482.40 is: 94,785,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,756,420.40 : 109,134,630.60 = 63,190,482.40 : x
  2. Step 2: Convert to fraction form
    72,756,420.40/109,134,630.60 = 63,190,482.40/x
  3. Step 3: Cross multiply
    72,756,420.40x = 109,134,630.60 × 63,190,482.40
  4. Step 4: Simplify right side
    72,756,420.40x = 6,896,269,954,159,801
  5. Step 5: Solve for x
    x = 6,896,269,954,159,801/72,756,420.40
  6. Step 6: Final answer
    x = 94,785,723.60

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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.