Home / 145,160,213.40-217,740,320.10-144,152,443.80

Finding the Fourth Proportional to 145,160,213.40, 217,740,320.10 and 144,152,443.80

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Solution

The fourth proportional to 145,160,213.40, 217,740,320.10 and 144,152,443.80 is: 216,228,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,160,213.40 : 217,740,320.10 = 144,152,443.80 : x
  2. Step 2: Convert to fraction form
    145,160,213.40/217,740,320.10 = 144,152,443.80/x
  3. Step 3: Cross multiply
    145,160,213.40x = 217,740,320.10 × 144,152,443.80
  4. Step 4: Simplify right side
    145,160,213.40x = 31,387,799,256,209,264
  5. Step 5: Solve for x
    x = 31,387,799,256,209,264/145,160,213.40
  6. Step 6: Final answer
    x = 216,228,665.70

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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.