Home / 55,740,545.28-83,478,885.12-28,379,600.64

Finding the Fourth Proportional to 55,740,545.28, 83,478,885.12 and 28,379,600.64

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Solution

The fourth proportional to 55,740,545.28, 83,478,885.12 and 28,379,600.64 is: 42,502,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740,545.28 : 83,478,885.12 = 28,379,600.64 : x
  2. Step 2: Convert to fraction form
    55,740,545.28/83,478,885.12 = 28,379,600.64/x
  3. Step 3: Cross multiply
    55,740,545.28x = 83,478,885.12 × 28,379,600.64
  4. Step 4: Simplify right side
    55,740,545.28x = 2,369,097,421,578,038.50
  5. Step 5: Solve for x
    x = 2,369,097,421,578,038.50/55,740,545.28
  6. Step 6: Final answer
    x = 42,502,229.03

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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.