Home / 103,558,164.56-142,913,296.91-56,518,255.13

Finding the Fourth Proportional to 103,558,164.56, 142,913,296.91 and 56,518,255.13

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Solution

The fourth proportional to 103,558,164.56, 142,913,296.91 and 56,518,255.13 is: 77,996,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,558,164.56 : 142,913,296.91 = 56,518,255.13 : x
  2. Step 2: Convert to fraction form
    103,558,164.56/142,913,296.91 = 56,518,255.13/x
  3. Step 3: Cross multiply
    103,558,164.56x = 142,913,296.91 × 56,518,255.13
  4. Step 4: Simplify right side
    103,558,164.56x = 8,077,210,175,946,230
  5. Step 5: Solve for x
    x = 8,077,210,175,946,230/103,558,164.56
  6. Step 6: Final answer
    x = 77,996,845.64

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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.