Home / 208,851,136,125.60-313,276,313,143.34-65,441,143,051.72

Finding the Fourth Proportional to 208,851,136,125.60, 313,276,313,143.34 and 65,441,143,051.72

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Solution

The fourth proportional to 208,851,136,125.60, 313,276,313,143.34 and 65,441,143,051.72 is: 98,161,592,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,851,136,125.60 : 313,276,313,143.34 = 65,441,143,051.72 : x
  2. Step 2: Convert to fraction form
    208,851,136,125.60/313,276,313,143.34 = 65,441,143,051.72/x
  3. Step 3: Cross multiply
    208,851,136,125.60x = 313,276,313,143.34 × 65,441,143,051.72
  4. Step 4: Simplify right side
    208,851,136,125.60x = 20,501,160,023,127,492,657,152
  5. Step 5: Solve for x
    x = 20,501,160,023,127,492,657,152/208,851,136,125.60
  6. Step 6: Final answer
    x = 98,161,592,048.02

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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.