Home / 145,213,735.40-217,820,603.10-144,363,429.80

Finding the Fourth Proportional to 145,213,735.40, 217,820,603.10 and 144,363,429.80

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Solution

The fourth proportional to 145,213,735.40, 217,820,603.10 and 144,363,429.80 is: 216,545,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,213,735.40 : 217,820,603.10 = 144,363,429.80 : x
  2. Step 2: Convert to fraction form
    145,213,735.40/217,820,603.10 = 144,363,429.80/x
  3. Step 3: Cross multiply
    145,213,735.40x = 217,820,603.10 × 144,363,429.80
  4. Step 4: Simplify right side
    145,213,735.40x = 31,445,329,344,620,516
  5. Step 5: Solve for x
    x = 31,445,329,344,620,516/145,213,735.40
  6. Step 6: Final answer
    x = 216,545,144.70

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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.