Home / 75,692,221.40-104,455,307.27-40,884,911.71

Finding the Fourth Proportional to 75,692,221.40, 104,455,307.27 and 40,884,911.71

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Solution

The fourth proportional to 75,692,221.40, 104,455,307.27 and 40,884,911.71 is: 56,421,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,692,221.40 : 104,455,307.27 = 40,884,911.71 : x
  2. Step 2: Convert to fraction form
    75,692,221.40/104,455,307.27 = 40,884,911.71/x
  3. Step 3: Cross multiply
    75,692,221.40x = 104,455,307.27 × 40,884,911.71
  4. Step 4: Simplify right side
    75,692,221.40x = 4,270,646,015,374,871
  5. Step 5: Solve for x
    x = 4,270,646,015,374,871/75,692,221.40
  6. Step 6: Final answer
    x = 56,421,200.70

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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.