Home / 149,537,812.40-224,537,665.80-81,513,364.40

Finding the Fourth Proportional to 149,537,812.40, 224,537,665.80 and 81,513,364.40

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Solution

The fourth proportional to 149,537,812.40, 224,537,665.80 and 81,513,364.40 is: 122,395,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,537,812.40 : 224,537,665.80 = 81,513,364.40 : x
  2. Step 2: Convert to fraction form
    149,537,812.40/224,537,665.80 = 81,513,364.40/x
  3. Step 3: Cross multiply
    149,537,812.40x = 224,537,665.80 × 81,513,364.40
  4. Step 4: Simplify right side
    149,537,812.40x = 18,302,820,573,880,820
  5. Step 5: Solve for x
    x = 18,302,820,573,880,820/149,537,812.40
  6. Step 6: Final answer
    x = 122,395,936.39

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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.