Home / 90,699,264,019.10-136,048,896,028.65-55,435,390,175.90

Finding the Fourth Proportional to 90,699,264,019.10, 136,048,896,028.65 and 55,435,390,175.90

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Solution

The fourth proportional to 90,699,264,019.10, 136,048,896,028.65 and 55,435,390,175.90 is: 83,153,085,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,264,019.10 : 136,048,896,028.65 = 55,435,390,175.90 : x
  2. Step 2: Convert to fraction form
    90,699,264,019.10/136,048,896,028.65 = 55,435,390,175.90/x
  3. Step 3: Cross multiply
    90,699,264,019.10x = 136,048,896,028.65 × 55,435,390,175.90
  4. Step 4: Simplify right side
    90,699,264,019.10x = 7,541,923,634,348,664,291,328
  5. Step 5: Solve for x
    x = 7,541,923,634,348,664,291,328/90,699,264,019.10
  6. Step 6: Final answer
    x = 83,153,085,263.85

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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.