Home / 242,651,897.40-363,977,846.10-78,889,337.40

Finding the Fourth Proportional to 242,651,897.40, 363,977,846.10 and 78,889,337.40

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Solution

The fourth proportional to 242,651,897.40, 363,977,846.10 and 78,889,337.40 is: 118,334,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,651,897.40 : 363,977,846.10 = 78,889,337.40 : x
  2. Step 2: Convert to fraction form
    242,651,897.40/363,977,846.10 = 78,889,337.40/x
  3. Step 3: Cross multiply
    242,651,897.40x = 363,977,846.10 × 78,889,337.40
  4. Step 4: Simplify right side
    242,651,897.40x = 28,713,971,107,108,180
  5. Step 5: Solve for x
    x = 28,713,971,107,108,180/242,651,897.40
  6. Step 6: Final answer
    x = 118,334,006.10

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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.