Home / 145,936,993,651.68-201,401,349,966.96-81,707,156,032.80

Finding the Fourth Proportional to 145,936,993,651.68, 201,401,349,966.96 and 81,707,156,032.80

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Solution

The fourth proportional to 145,936,993,651.68, 201,401,349,966.96 and 81,707,156,032.80 is: 112,760,521,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,936,993,651.68 : 201,401,349,966.96 = 81,707,156,032.80 : x
  2. Step 2: Convert to fraction form
    145,936,993,651.68/201,401,349,966.96 = 81,707,156,032.80/x
  3. Step 3: Cross multiply
    145,936,993,651.68x = 201,401,349,966.96 × 81,707,156,032.80
  4. Step 4: Simplify right side
    145,936,993,651.68x = 16,455,931,526,966,960,717,824
  5. Step 5: Solve for x
    x = 16,455,931,526,966,960,717,824/145,936,993,651.68
  6. Step 6: Final answer
    x = 112,760,521,614.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.