Home / 207,573,582-286,404,020.16-123,925,432.80

Finding the Fourth Proportional to 207,573,582, 286,404,020.16 and 123,925,432.80

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Solution

The fourth proportional to 207,573,582, 286,404,020.16 and 123,925,432.80 is: 170,988,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,573,582 : 286,404,020.16 = 123,925,432.80 : x
  2. Step 2: Convert to fraction form
    207,573,582/286,404,020.16 = 123,925,432.80/x
  3. Step 3: Cross multiply
    207,573,582x = 286,404,020.16 × 123,925,432.80
  4. Step 4: Simplify right side
    207,573,582x = 35,492,742,153,987,928
  5. Step 5: Solve for x
    x = 35,492,742,153,987,928/207,573,582
  6. Step 6: Final answer
    x = 170,988,725.12

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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.