Home / 103,558,169.31-142,913,303.46-56,518,259.88

Finding the Fourth Proportional to 103,558,169.31, 142,913,303.46 and 56,518,259.88

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Solution

The fourth proportional to 103,558,169.31, 142,913,303.46 and 56,518,259.88 is: 77,996,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,558,169.31 : 142,913,303.46 = 56,518,259.88 : x
  2. Step 2: Convert to fraction form
    103,558,169.31/142,913,303.46 = 56,518,259.88/x
  3. Step 3: Cross multiply
    103,558,169.31x = 142,913,303.46 × 56,518,259.88
  4. Step 4: Simplify right side
    103,558,169.31x = 8,077,211,225,261,584
  5. Step 5: Solve for x
    x = 8,077,211,225,261,584/103,558,169.31
  6. Step 6: Final answer
    x = 77,996,852.20

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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.