Home / 56,650,580.16-78,070,946.28-49,635,558.96

Finding the Fourth Proportional to 56,650,580.16, 78,070,946.28 and 49,635,558.96

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Solution

The fourth proportional to 56,650,580.16, 78,070,946.28 and 49,635,558.96 is: 68,403,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,650,580.16 : 78,070,946.28 = 49,635,558.96 : x
  2. Step 2: Convert to fraction form
    56,650,580.16/78,070,946.28 = 49,635,558.96/x
  3. Step 3: Cross multiply
    56,650,580.16x = 78,070,946.28 × 49,635,558.96
  4. Step 4: Simplify right side
    56,650,580.16x = 3,875,095,057,143,933
  5. Step 5: Solve for x
    x = 3,875,095,057,143,933/56,650,580.16
  6. Step 6: Final answer
    x = 68,403,448.76

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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.