Home / 123,712,143,900.97-185,492,271,357.86-48,076,981,521.80

Finding the Fourth Proportional to 123,712,143,900.97, 185,492,271,357.86 and 48,076,981,521.80

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Solution

The fourth proportional to 123,712,143,900.97, 185,492,271,357.86 and 48,076,981,521.80 is: 72,085,958,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,712,143,900.97 : 185,492,271,357.86 = 48,076,981,521.80 : x
  2. Step 2: Convert to fraction form
    123,712,143,900.97/185,492,271,357.86 = 48,076,981,521.80/x
  3. Step 3: Cross multiply
    123,712,143,900.97x = 185,492,271,357.86 × 48,076,981,521.80
  4. Step 4: Simplify right side
    123,712,143,900.97x = 8,917,908,502,507,617,779,712
  5. Step 5: Solve for x
    x = 8,917,908,502,507,617,779,712/123,712,143,900.97
  6. Step 6: Final answer
    x = 72,085,958,753.14

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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.