Home / 78,003,707.40-117,005,561.10-37,692,923.40

Finding the Fourth Proportional to 78,003,707.40, 117,005,561.10 and 37,692,923.40

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Solution

The fourth proportional to 78,003,707.40, 117,005,561.10 and 37,692,923.40 is: 56,539,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,003,707.40 : 117,005,561.10 = 37,692,923.40 : x
  2. Step 2: Convert to fraction form
    78,003,707.40/117,005,561.10 = 37,692,923.40/x
  3. Step 3: Cross multiply
    78,003,707.40x = 117,005,561.10 × 37,692,923.40
  4. Step 4: Simplify right side
    78,003,707.40x = 4,410,281,651,916,319.50
  5. Step 5: Solve for x
    x = 4,410,281,651,916,319.50/78,003,707.40
  6. Step 6: Final answer
    x = 56,539,385.10

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Similar ratio
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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.