Home / 53,885,140.80-80,827,711.20-31,154,337.60

Finding the Fourth Proportional to 53,885,140.80, 80,827,711.20 and 31,154,337.60

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Solution

The fourth proportional to 53,885,140.80, 80,827,711.20 and 31,154,337.60 is: 46,731,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885,140.80 : 80,827,711.20 = 31,154,337.60 : x
  2. Step 2: Convert to fraction form
    53,885,140.80/80,827,711.20 = 31,154,337.60/x
  3. Step 3: Cross multiply
    53,885,140.80x = 80,827,711.20 × 31,154,337.60
  4. Step 4: Simplify right side
    53,885,140.80x = 2,518,133,802,160,101.50
  5. Step 5: Solve for x
    x = 2,518,133,802,160,101.50/53,885,140.80
  6. Step 6: Final answer
    x = 46,731,506.40

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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.