Home / 123,144,779,711.85-184,649,831,768.55-97,781,851,767.55

Finding the Fourth Proportional to 123,144,779,711.85, 184,649,831,768.55 and 97,781,851,767.55

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Solution

The fourth proportional to 123,144,779,711.85, 184,649,831,768.55 and 97,781,851,767.55 is: 146,619,308,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,144,779,711.85 : 184,649,831,768.55 = 97,781,851,767.55 : x
  2. Step 2: Convert to fraction form
    123,144,779,711.85/184,649,831,768.55 = 97,781,851,767.55/x
  3. Step 3: Cross multiply
    123,144,779,711.85x = 184,649,831,768.55 × 97,781,851,767.55
  4. Step 4: Simplify right side
    123,144,779,711.85x = 18,055,402,478,895,399,698,432
  5. Step 5: Solve for x
    x = 18,055,402,478,895,399,698,432/123,144,779,711.85
  6. Step 6: Final answer
    x = 146,619,308,761.15

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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.