Home / 207,990,710.16-287,023,673.25-115,169,225.10

Finding the Fourth Proportional to 207,990,710.16, 287,023,673.25 and 115,169,225.10

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Solution

The fourth proportional to 207,990,710.16, 287,023,673.25 and 115,169,225.10 is: 158,931,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,990,710.16 : 287,023,673.25 = 115,169,225.10 : x
  2. Step 2: Convert to fraction form
    207,990,710.16/287,023,673.25 = 115,169,225.10/x
  3. Step 3: Cross multiply
    207,990,710.16x = 287,023,673.25 × 115,169,225.10
  4. Step 4: Simplify right side
    207,990,710.16x = 33,056,294,033,558,096
  5. Step 5: Solve for x
    x = 33,056,294,033,558,096/207,990,710.16
  6. Step 6: Final answer
    x = 158,931,588.86

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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.