Home / 74,903,384.80-112,355,077.20-52,209,906.40

Finding the Fourth Proportional to 74,903,384.80, 112,355,077.20 and 52,209,906.40

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Solution

The fourth proportional to 74,903,384.80, 112,355,077.20 and 52,209,906.40 is: 78,314,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,903,384.80 : 112,355,077.20 = 52,209,906.40 : x
  2. Step 2: Convert to fraction form
    74,903,384.80/112,355,077.20 = 52,209,906.40/x
  3. Step 3: Cross multiply
    74,903,384.80x = 112,355,077.20 × 52,209,906.40
  4. Step 4: Simplify right side
    74,903,384.80x = 5,866,048,064,176,774
  5. Step 5: Solve for x
    x = 5,866,048,064,176,774/74,903,384.80
  6. Step 6: Final answer
    x = 78,314,859.60

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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.