Home / 79,720,810.60-119,637,203.10-51,036,701.80

Finding the Fourth Proportional to 79,720,810.60, 119,637,203.10 and 51,036,701.80

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Solution

The fourth proportional to 79,720,810.60, 119,637,203.10 and 51,036,701.80 is: 76,590,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,720,810.60 : 119,637,203.10 = 51,036,701.80 : x
  2. Step 2: Convert to fraction form
    79,720,810.60/119,637,203.10 = 51,036,701.80/x
  3. Step 3: Cross multiply
    79,720,810.60x = 119,637,203.10 × 51,036,701.80
  4. Step 4: Simplify right side
    79,720,810.60x = 6,105,888,258,800,735
  5. Step 5: Solve for x
    x = 6,105,888,258,800,735/79,720,810.60
  6. Step 6: Final answer
    x = 76,590,895.31

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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.