Home / 153,594,978,400.15-211,959,508,911.57-85,006,524,688.57

Finding the Fourth Proportional to 153,594,978,400.15, 211,959,508,911.57 and 85,006,524,688.57

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Solution

The fourth proportional to 153,594,978,400.15, 211,959,508,911.57 and 85,006,524,688.57 is: 117,308,139,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,594,978,400.15 : 211,959,508,911.57 = 85,006,524,688.57 : x
  2. Step 2: Convert to fraction form
    153,594,978,400.15/211,959,508,911.57 = 85,006,524,688.57/x
  3. Step 3: Cross multiply
    153,594,978,400.15x = 211,959,508,911.57 × 85,006,524,688.57
  4. Step 4: Simplify right side
    153,594,978,400.15x = 18,017,941,227,268,550,426,624
  5. Step 5: Solve for x
    x = 18,017,941,227,268,550,426,624/153,594,978,400.15
  6. Step 6: Final answer
    x = 117,308,139,985.72

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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.