Home / 79,838,688.60-119,758,032.90-28,714,064.40

Finding the Fourth Proportional to 79,838,688.60, 119,758,032.90 and 28,714,064.40

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Solution

The fourth proportional to 79,838,688.60, 119,758,032.90 and 28,714,064.40 is: 43,071,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,838,688.60 : 119,758,032.90 = 28,714,064.40 : x
  2. Step 2: Convert to fraction form
    79,838,688.60/119,758,032.90 = 28,714,064.40/x
  3. Step 3: Cross multiply
    79,838,688.60x = 119,758,032.90 × 28,714,064.40
  4. Step 4: Simplify right side
    79,838,688.60x = 3,438,739,869,107,919
  5. Step 5: Solve for x
    x = 3,438,739,869,107,919/79,838,688.60
  6. Step 6: Final answer
    x = 43,071,096.60

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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.