Home / 71,569,793.40-107,354,690.10-61,828,020.60

Finding the Fourth Proportional to 71,569,793.40, 107,354,690.10 and 61,828,020.60

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Solution

The fourth proportional to 71,569,793.40, 107,354,690.10 and 61,828,020.60 is: 92,742,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,569,793.40 : 107,354,690.10 = 61,828,020.60 : x
  2. Step 2: Convert to fraction form
    71,569,793.40/107,354,690.10 = 61,828,020.60/x
  3. Step 3: Cross multiply
    71,569,793.40x = 107,354,690.10 × 61,828,020.60
  4. Step 4: Simplify right side
    71,569,793.40x = 6,637,527,991,009,416
  5. Step 5: Solve for x
    x = 6,637,527,991,009,416/71,569,793.40
  6. Step 6: Final answer
    x = 92,742,030.90

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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.