Home / 77,763,543.60-116,645,315.40-59,623,690.80

Finding the Fourth Proportional to 77,763,543.60, 116,645,315.40 and 59,623,690.80

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Solution

The fourth proportional to 77,763,543.60, 116,645,315.40 and 59,623,690.80 is: 89,435,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,763,543.60 : 116,645,315.40 = 59,623,690.80 : x
  2. Step 2: Convert to fraction form
    77,763,543.60/116,645,315.40 = 59,623,690.80/x
  3. Step 3: Cross multiply
    77,763,543.60x = 116,645,315.40 × 59,623,690.80
  4. Step 4: Simplify right side
    77,763,543.60x = 6,954,824,218,678,078
  5. Step 5: Solve for x
    x = 6,954,824,218,678,078/77,763,543.60
  6. Step 6: Final answer
    x = 89,435,536.20

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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.