Home / 105,224,477.40-157,687,416.90-77,716,099.80

Finding the Fourth Proportional to 105,224,477.40, 157,687,416.90 and 77,716,099.80

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Solution

The fourth proportional to 105,224,477.40, 157,687,416.90 and 77,716,099.80 is: 116,463,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,224,477.40 : 157,687,416.90 = 77,716,099.80 : x
  2. Step 2: Convert to fraction form
    105,224,477.40/157,687,416.90 = 77,716,099.80/x
  3. Step 3: Cross multiply
    105,224,477.40x = 157,687,416.90 × 77,716,099.80
  4. Step 4: Simplify right side
    105,224,477.40x = 12,254,851,029,004,606
  5. Step 5: Solve for x
    x = 12,254,851,029,004,606/105,224,477.40
  6. Step 6: Final answer
    x = 116,463,881.14

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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.