Home / 145,634,585.14-200,981,837.10-83,754,972.91

Finding the Fourth Proportional to 145,634,585.14, 200,981,837.10 and 83,754,972.91

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Solution

The fourth proportional to 145,634,585.14, 200,981,837.10 and 83,754,972.91 is: 115,585,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,634,585.14 : 200,981,837.10 = 83,754,972.91 : x
  2. Step 2: Convert to fraction form
    145,634,585.14/200,981,837.10 = 83,754,972.91/x
  3. Step 3: Cross multiply
    145,634,585.14x = 200,981,837.10 × 83,754,972.91
  4. Step 4: Simplify right side
    145,634,585.14x = 16,833,228,321,807,136
  5. Step 5: Solve for x
    x = 16,833,228,321,807,136/145,634,585.14
  6. Step 6: Final answer
    x = 115,585,376.27

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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.