Home / 99,155,015.40-148,732,523.10-60,355,885.80

Finding the Fourth Proportional to 99,155,015.40, 148,732,523.10 and 60,355,885.80

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Solution

The fourth proportional to 99,155,015.40, 148,732,523.10 and 60,355,885.80 is: 90,533,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,155,015.40 : 148,732,523.10 = 60,355,885.80 : x
  2. Step 2: Convert to fraction form
    99,155,015.40/148,732,523.10 = 60,355,885.80/x
  3. Step 3: Cross multiply
    99,155,015.40x = 148,732,523.10 × 60,355,885.80
  4. Step 4: Simplify right side
    99,155,015.40x = 8,976,883,178,969,461
  5. Step 5: Solve for x
    x = 8,976,883,178,969,461/99,155,015.40
  6. Step 6: Final answer
    x = 90,533,828.70

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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.