Home / 90,699,264,019.60-136,048,896,029.40-55,435,390,176.40

Finding the Fourth Proportional to 90,699,264,019.60, 136,048,896,029.40 and 55,435,390,176.40

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Solution

The fourth proportional to 90,699,264,019.60, 136,048,896,029.40 and 55,435,390,176.40 is: 83,153,085,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,264,019.60 : 136,048,896,029.40 = 55,435,390,176.40 : x
  2. Step 2: Convert to fraction form
    90,699,264,019.60/136,048,896,029.40 = 55,435,390,176.40/x
  3. Step 3: Cross multiply
    90,699,264,019.60x = 136,048,896,029.40 × 55,435,390,176.40
  4. Step 4: Simplify right side
    90,699,264,019.60x = 7,541,923,634,458,265,649,152
  5. Step 5: Solve for x
    x = 7,541,923,634,458,265,649,152/90,699,264,019.60
  6. Step 6: Final answer
    x = 83,153,085,264.60

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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.