Home / 77,609,089.60-116,424,002.40-26,478,260.80

Finding the Fourth Proportional to 77,609,089.60, 116,424,002.40 and 26,478,260.80

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Solution

The fourth proportional to 77,609,089.60, 116,424,002.40 and 26,478,260.80 is: 39,720,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,609,089.60 : 116,424,002.40 = 26,478,260.80 : x
  2. Step 2: Convert to fraction form
    77,609,089.60/116,424,002.40 = 26,478,260.80/x
  3. Step 3: Cross multiply
    77,609,089.60x = 116,424,002.40 × 26,478,260.80
  4. Step 4: Simplify right side
    77,609,089.60x = 3,082,705,098,927,026
  5. Step 5: Solve for x
    x = 3,082,705,098,927,026/77,609,089.60
  6. Step 6: Final answer
    x = 39,720,928.50

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1.5x scale

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.