Home / 144,108,475.47-216,130,297.28-66,310,753.77

Finding the Fourth Proportional to 144,108,475.47, 216,130,297.28 and 66,310,753.77

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Solution

The fourth proportional to 144,108,475.47, 216,130,297.28 and 66,310,753.77 is: 99,451,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,108,475.47 : 216,130,297.28 = 66,310,753.77 : x
  2. Step 2: Convert to fraction form
    144,108,475.47/216,130,297.28 = 66,310,753.77/x
  3. Step 3: Cross multiply
    144,108,475.47x = 216,130,297.28 × 66,310,753.77
  4. Step 4: Simplify right side
    144,108,475.47x = 14,331,762,924,839,428
  5. Step 5: Solve for x
    x = 14,331,762,924,839,428/144,108,475.47
  6. Step 6: Final answer
    x = 99,451,214.64

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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.