Home / 75,219,771,953.36-112,705,682,544.12-43,688,909,755.28

Finding the Fourth Proportional to 75,219,771,953.36, 112,705,682,544.12 and 43,688,909,755.28

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Solution

The fourth proportional to 75,219,771,953.36, 112,705,682,544.12 and 43,688,909,755.28 is: 65,461,357,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,219,771,953.36 : 112,705,682,544.12 = 43,688,909,755.28 : x
  2. Step 2: Convert to fraction form
    75,219,771,953.36/112,705,682,544.12 = 43,688,909,755.28/x
  3. Step 3: Cross multiply
    75,219,771,953.36x = 112,705,682,544.12 × 43,688,909,755.28
  4. Step 4: Simplify right side
    75,219,771,953.36x = 4,923,988,393,577,295,118,336
  5. Step 5: Solve for x
    x = 4,923,988,393,577,295,118,336/75,219,771,953.36
  6. Step 6: Final answer
    x = 65,461,357,641.85

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1.5x scale

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.