Home / 139,655,295.90-192,709,809.95-86,001,427.73

Finding the Fourth Proportional to 139,655,295.90, 192,709,809.95 and 86,001,427.73

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Solution

The fourth proportional to 139,655,295.90, 192,709,809.95 and 86,001,427.73 is: 118,673,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,655,295.90 : 192,709,809.95 = 86,001,427.73 : x
  2. Step 2: Convert to fraction form
    139,655,295.90/192,709,809.95 = 86,001,427.73/x
  3. Step 3: Cross multiply
    139,655,295.90x = 192,709,809.95 × 86,001,427.73
  4. Step 4: Simplify right side
    139,655,295.90x = 16,573,318,791,883,402
  5. Step 5: Solve for x
    x = 16,573,318,791,883,402/139,655,295.90
  6. Step 6: Final answer
    x = 118,673,041.97

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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.