Home / 45,838,526.67-68,786,071.47-21,241,868.67

Finding the Fourth Proportional to 45,838,526.67, 68,786,071.47 and 21,241,868.67

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Solution

The fourth proportional to 45,838,526.67, 68,786,071.47 and 21,241,868.67 is: 31,875,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,838,526.67 : 68,786,071.47 = 21,241,868.67 : x
  2. Step 2: Convert to fraction form
    45,838,526.67/68,786,071.47 = 21,241,868.67/x
  3. Step 3: Cross multiply
    45,838,526.67x = 68,786,071.47 × 21,241,868.67
  4. Step 4: Simplify right side
    45,838,526.67x = 1,461,144,696,490,974
  5. Step 5: Solve for x
    x = 1,461,144,696,490,974/45,838,526.67
  6. Step 6: Final answer
    x = 31,875,908.82

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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.