Home / 145,541,384.10-218,312,076.15-133,637,105.70

Finding the Fourth Proportional to 145,541,384.10, 218,312,076.15 and 133,637,105.70

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Solution

The fourth proportional to 145,541,384.10, 218,312,076.15 and 133,637,105.70 is: 200,455,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,541,384.10 : 218,312,076.15 = 133,637,105.70 : x
  2. Step 2: Convert to fraction form
    145,541,384.10/218,312,076.15 = 133,637,105.70/x
  3. Step 3: Cross multiply
    145,541,384.10x = 218,312,076.15 × 133,637,105.70
  4. Step 4: Simplify right side
    145,541,384.10x = 29,174,593,996,044,000
  5. Step 5: Solve for x
    x = 29,174,593,996,044,000/145,541,384.10
  6. Step 6: Final answer
    x = 200,455,658.55

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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.