Home / 72,757,368.60-109,136,052.90-49,799,117.40

Finding the Fourth Proportional to 72,757,368.60, 109,136,052.90 and 49,799,117.40

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Solution

The fourth proportional to 72,757,368.60, 109,136,052.90 and 49,799,117.40 is: 74,698,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,757,368.60 : 109,136,052.90 = 49,799,117.40 : x
  2. Step 2: Convert to fraction form
    72,757,368.60/109,136,052.90 = 49,799,117.40/x
  3. Step 3: Cross multiply
    72,757,368.60x = 109,136,052.90 × 49,799,117.40
  4. Step 4: Simplify right side
    72,757,368.60x = 5,434,879,110,939,711
  5. Step 5: Solve for x
    x = 5,434,879,110,939,711/72,757,368.60
  6. Step 6: Final answer
    x = 74,698,676.10

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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.