Home / 70,227,261.60-105,330,248.64-19,113,263.52

Finding the Fourth Proportional to 70,227,261.60, 105,330,248.64 and 19,113,263.52

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Solution

The fourth proportional to 70,227,261.60, 105,330,248.64 and 19,113,263.52 is: 28,666,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227,261.60 : 105,330,248.64 = 19,113,263.52 : x
  2. Step 2: Convert to fraction form
    70,227,261.60/105,330,248.64 = 19,113,263.52/x
  3. Step 3: Cross multiply
    70,227,261.60x = 105,330,248.64 × 19,113,263.52
  4. Step 4: Simplify right side
    70,227,261.60x = 2,013,204,798,883,441.50
  5. Step 5: Solve for x
    x = 2,013,204,798,883,441.50/70,227,261.60
  6. Step 6: Final answer
    x = 28,666,998.44

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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.