Home / 144,146,817.12-216,248,044.36-47,076,428.46

Finding the Fourth Proportional to 144,146,817.12, 216,248,044.36 and 47,076,428.46

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Solution

The fourth proportional to 144,146,817.12, 216,248,044.36 and 47,076,428.46 is: 70,623,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,146,817.12 : 216,248,044.36 = 47,076,428.46 : x
  2. Step 2: Convert to fraction form
    144,146,817.12/216,248,044.36 = 47,076,428.46/x
  3. Step 3: Cross multiply
    144,146,817.12x = 216,248,044.36 × 47,076,428.46
  4. Step 4: Simplify right side
    144,146,817.12x = 10,180,185,589,928,448
  5. Step 5: Solve for x
    x = 10,180,185,589,928,448/144,146,817.12
  6. Step 6: Final answer
    x = 70,623,727.90

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1.5x scale

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.