Home / 152,725,812.05-210,760,823.58-83,111,691.26

Finding the Fourth Proportional to 152,725,812.05, 210,760,823.58 and 83,111,691.26

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Solution

The fourth proportional to 152,725,812.05, 210,760,823.58 and 83,111,691.26 is: 114,693,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,725,812.05 : 210,760,823.58 = 83,111,691.26 : x
  2. Step 2: Convert to fraction form
    152,725,812.05/210,760,823.58 = 83,111,691.26/x
  3. Step 3: Cross multiply
    152,725,812.05x = 210,760,823.58 × 83,111,691.26
  4. Step 4: Simplify right side
    152,725,812.05x = 17,516,688,499,299,520
  5. Step 5: Solve for x
    x = 17,516,688,499,299,520/152,725,812.05
  6. Step 6: Final answer
    x = 114,693,700.19

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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.