Home / 110,098,416.40-151,711,938.16-85,167,206.56

Finding the Fourth Proportional to 110,098,416.40, 151,711,938.16 and 85,167,206.56

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Solution

The fourth proportional to 110,098,416.40, 151,711,938.16 and 85,167,206.56 is: 117,357,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,098,416.40 : 151,711,938.16 = 85,167,206.56 : x
  2. Step 2: Convert to fraction form
    110,098,416.40/151,711,938.16 = 85,167,206.56/x
  3. Step 3: Cross multiply
    110,098,416.40x = 151,711,938.16 × 85,167,206.56
  4. Step 4: Simplify right side
    110,098,416.40x = 12,920,881,974,890,666
  5. Step 5: Solve for x
    x = 12,920,881,974,890,666/110,098,416.40
  6. Step 6: Final answer
    x = 117,357,564.24

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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.