Home / 176,133,223.40-243,069,408.49-105,545,569.02

Finding the Fourth Proportional to 176,133,223.40, 243,069,408.49 and 105,545,569.02

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Solution

The fourth proportional to 176,133,223.40, 243,069,408.49 and 105,545,569.02 is: 145,656,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,133,223.40 : 243,069,408.49 = 105,545,569.02 : x
  2. Step 2: Convert to fraction form
    176,133,223.40/243,069,408.49 = 105,545,569.02/x
  3. Step 3: Cross multiply
    176,133,223.40x = 243,069,408.49 × 105,545,569.02
  4. Step 4: Simplify right side
    176,133,223.40x = 25,654,899,030,819,916
  5. Step 5: Solve for x
    x = 25,654,899,030,819,916/176,133,223.40
  6. Step 6: Final answer
    x = 145,656,217.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.