Home / 118,684,003.80-178,026,005.70-72,767,501.40

Finding the Fourth Proportional to 118,684,003.80, 178,026,005.70 and 72,767,501.40

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Solution

The fourth proportional to 118,684,003.80, 178,026,005.70 and 72,767,501.40 is: 109,151,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,684,003.80 : 178,026,005.70 = 72,767,501.40 : x
  2. Step 2: Convert to fraction form
    118,684,003.80/178,026,005.70 = 72,767,501.40/x
  3. Step 3: Cross multiply
    118,684,003.80x = 178,026,005.70 × 72,767,501.40
  4. Step 4: Simplify right side
    118,684,003.80x = 12,954,507,619,011,158
  5. Step 5: Solve for x
    x = 12,954,507,619,011,158/118,684,003.80
  6. Step 6: Final answer
    x = 109,151,252.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.