Home / 210,984,935.14-291,155,356.86-116,898,738.89

Finding the Fourth Proportional to 210,984,935.14, 291,155,356.86 and 116,898,738.89

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Solution

The fourth proportional to 210,984,935.14, 291,155,356.86 and 116,898,738.89 is: 161,318,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,984,935.14 : 291,155,356.86 = 116,898,738.89 : x
  2. Step 2: Convert to fraction form
    210,984,935.14/291,155,356.86 = 116,898,738.89/x
  3. Step 3: Cross multiply
    210,984,935.14x = 291,155,356.86 × 116,898,738.89
  4. Step 4: Simplify right side
    210,984,935.14x = 34,035,694,038,001,912
  5. Step 5: Solve for x
    x = 34,035,694,038,001,912/210,984,935.14
  6. Step 6: Final answer
    x = 161,318,124.52

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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.