Home / 72,500,400.60-100,050,968.91-39,460,570.93

Finding the Fourth Proportional to 72,500,400.60, 100,050,968.91 and 39,460,570.93

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Solution

The fourth proportional to 72,500,400.60, 100,050,968.91 and 39,460,570.93 is: 54,455,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,500,400.60 : 100,050,968.91 = 39,460,570.93 : x
  2. Step 2: Convert to fraction form
    72,500,400.60/100,050,968.91 = 39,460,570.93/x
  3. Step 3: Cross multiply
    72,500,400.60x = 100,050,968.91 × 39,460,570.93
  4. Step 4: Simplify right side
    72,500,400.60x = 3,948,068,355,288,279.50
  5. Step 5: Solve for x
    x = 3,948,068,355,288,279.50/72,500,400.60
  6. Step 6: Final answer
    x = 54,455,814.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.