Home / 133,117,533.60-199,974,898.80-128,041,360.80

Finding the Fourth Proportional to 133,117,533.60, 199,974,898.80 and 128,041,360.80

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Solution

The fourth proportional to 133,117,533.60, 199,974,898.80 and 128,041,360.80 is: 192,349,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,117,533.60 : 199,974,898.80 = 128,041,360.80 : x
  2. Step 2: Convert to fraction form
    133,117,533.60/199,974,898.80 = 128,041,360.80/x
  3. Step 3: Cross multiply
    133,117,533.60x = 199,974,898.80 × 128,041,360.80
  4. Step 4: Simplify right side
    133,117,533.60x = 25,605,058,168,194,288
  5. Step 5: Solve for x
    x = 25,605,058,168,194,288/133,117,533.60
  6. Step 6: Final answer
    x = 192,349,253.14

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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.