Home / 71,700,239,987.76-98,955,007,670.30-40,808,035,812.56

Finding the Fourth Proportional to 71,700,239,987.76, 98,955,007,670.30 and 40,808,035,812.56

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Solution

The fourth proportional to 71,700,239,987.76, 98,955,007,670.30 and 40,808,035,812.56 is: 56,320,027,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,700,239,987.76 : 98,955,007,670.30 = 40,808,035,812.56 : x
  2. Step 2: Convert to fraction form
    71,700,239,987.76/98,955,007,670.30 = 40,808,035,812.56/x
  3. Step 3: Cross multiply
    71,700,239,987.76x = 98,955,007,670.30 × 40,808,035,812.56
  4. Step 4: Simplify right side
    71,700,239,987.76x = 4,038,159,496,841,751,691,264
  5. Step 5: Solve for x
    x = 4,038,159,496,841,751,691,264/71,700,239,987.76
  6. Step 6: Final answer
    x = 56,320,027,625.17

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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.