Home / 82,698,904.60-123,859,400.10-48,686,680.60

Finding the Fourth Proportional to 82,698,904.60, 123,859,400.10 and 48,686,680.60

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Solution

The fourth proportional to 82,698,904.60, 123,859,400.10 and 48,686,680.60 is: 72,918,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,698,904.60 : 123,859,400.10 = 48,686,680.60 : x
  2. Step 2: Convert to fraction form
    82,698,904.60/123,859,400.10 = 48,686,680.60/x
  3. Step 3: Cross multiply
    82,698,904.60x = 123,859,400.10 × 48,686,680.60
  4. Step 4: Simplify right side
    82,698,904.60x = 6,030,303,051,976,308
  5. Step 5: Solve for x
    x = 6,030,303,051,976,308/82,698,904.60
  6. Step 6: Final answer
    x = 72,918,777.84

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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.