Home / 152,080,495,989.20-228,120,743,983.80-139,009,052,430.80

Finding the Fourth Proportional to 152,080,495,989.20, 228,120,743,983.80 and 139,009,052,430.80

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Solution

The fourth proportional to 152,080,495,989.20, 228,120,743,983.80 and 139,009,052,430.80 is: 208,513,578,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,080,495,989.20 : 228,120,743,983.80 = 139,009,052,430.80 : x
  2. Step 2: Convert to fraction form
    152,080,495,989.20/228,120,743,983.80 = 139,009,052,430.80/x
  3. Step 3: Cross multiply
    152,080,495,989.20x = 228,120,743,983.80 × 139,009,052,430.80
  4. Step 4: Simplify right side
    152,080,495,989.20x = 31,710,848,460,997,152,210,944
  5. Step 5: Solve for x
    x = 31,710,848,460,997,152,210,944/152,080,495,989.20
  6. Step 6: Final answer
    x = 208,513,578,646.20

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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.