Home / 152,053,510.17-209,838,270.63-85,972,589.67

Finding the Fourth Proportional to 152,053,510.17, 209,838,270.63 and 85,972,589.67

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Solution

The fourth proportional to 152,053,510.17, 209,838,270.63 and 85,972,589.67 is: 118,644,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,053,510.17 : 209,838,270.63 = 85,972,589.67 : x
  2. Step 2: Convert to fraction form
    152,053,510.17/209,838,270.63 = 85,972,589.67/x
  3. Step 3: Cross multiply
    152,053,510.17x = 209,838,270.63 × 85,972,589.67
  4. Step 4: Simplify right side
    152,053,510.17x = 18,040,339,537,935,404
  5. Step 5: Solve for x
    x = 18,040,339,537,935,404/152,053,510.17
  6. Step 6: Final answer
    x = 118,644,676.59

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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.