Home / 243,018,855.54-364,550,432.16-79,214,567.58

Finding the Fourth Proportional to 243,018,855.54, 364,550,432.16 and 79,214,567.58

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Solution

The fourth proportional to 243,018,855.54, 364,550,432.16 and 79,214,567.58 is: 118,829,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,018,855.54 : 364,550,432.16 = 79,214,567.58 : x
  2. Step 2: Convert to fraction form
    243,018,855.54/364,550,432.16 = 79,214,567.58/x
  3. Step 3: Cross multiply
    243,018,855.54x = 364,550,432.16 × 79,214,567.58
  4. Step 4: Simplify right side
    243,018,855.54x = 28,877,704,844,656,528
  5. Step 5: Solve for x
    x = 28,877,704,844,656,528/243,018,855.54
  6. Step 6: Final answer
    x = 118,829,071.02

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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.