Home / 113,852,055.78-157,113,931.77-61,640,667.54

Finding the Fourth Proportional to 113,852,055.78, 157,113,931.77 and 61,640,667.54

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Solution

The fourth proportional to 113,852,055.78, 157,113,931.77 and 61,640,667.54 is: 85,063,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,852,055.78 : 157,113,931.77 = 61,640,667.54 : x
  2. Step 2: Convert to fraction form
    113,852,055.78/157,113,931.77 = 61,640,667.54/x
  3. Step 3: Cross multiply
    113,852,055.78x = 157,113,931.77 × 61,640,667.54
  4. Step 4: Simplify right side
    113,852,055.78x = 9,684,607,634,136,814
  5. Step 5: Solve for x
    x = 9,684,607,634,136,814/113,852,055.78
  6. Step 6: Final answer
    x = 85,063,089.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.