Home / 208,851,136,129.74-313,276,313,149.52-65,441,143,055.85

Finding the Fourth Proportional to 208,851,136,129.74, 313,276,313,149.52 and 65,441,143,055.85

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Solution

The fourth proportional to 208,851,136,129.74, 313,276,313,149.52 and 65,441,143,055.85 is: 98,161,592,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,851,136,129.74 : 313,276,313,149.52 = 65,441,143,055.85 : x
  2. Step 2: Convert to fraction form
    208,851,136,129.74/313,276,313,149.52 = 65,441,143,055.85/x
  3. Step 3: Cross multiply
    208,851,136,129.74x = 313,276,313,149.52 × 65,441,143,055.85
  4. Step 4: Simplify right side
    208,851,136,129.74x = 20,501,160,024,827,003,666,432
  5. Step 5: Solve for x
    x = 20,501,160,024,827,003,666,432/208,851,136,129.74
  6. Step 6: Final answer
    x = 98,161,592,054.22

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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.