Home / 123,783,779,941.50-170,820,589,461.94-69,590,570,142.74

Finding the Fourth Proportional to 123,783,779,941.50, 170,820,589,461.94 and 69,590,570,142.74

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Solution

The fourth proportional to 123,783,779,941.50, 170,820,589,461.94 and 69,590,570,142.74 is: 96,034,409,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,783,779,941.50 : 170,820,589,461.94 = 69,590,570,142.74 : x
  2. Step 2: Convert to fraction form
    123,783,779,941.50/170,820,589,461.94 = 69,590,570,142.74/x
  3. Step 3: Cross multiply
    123,783,779,941.50x = 170,820,589,461.94 × 69,590,570,142.74
  4. Step 4: Simplify right side
    123,783,779,941.50x = 11,887,502,212,775,330,971,648
  5. Step 5: Solve for x
    x = 11,887,502,212,775,330,971,648/123,783,779,941.50
  6. Step 6: Final answer
    x = 96,034,409,503.36

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1.5x scale

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.