Home / 212,610,616.65-293,440,699.35-124,499,470.32

Finding the Fourth Proportional to 212,610,616.65, 293,440,699.35 and 124,499,470.32

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Solution

The fourth proportional to 212,610,616.65, 293,440,699.35 and 124,499,470.32 is: 171,831,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,610,616.65 : 293,440,699.35 = 124,499,470.32 : x
  2. Step 2: Convert to fraction form
    212,610,616.65/293,440,699.35 = 124,499,470.32/x
  3. Step 3: Cross multiply
    212,610,616.65x = 293,440,699.35 × 124,499,470.32
  4. Step 4: Simplify right side
    212,610,616.65x = 36,533,211,639,405,368
  5. Step 5: Solve for x
    x = 36,533,211,639,405,368/212,610,616.65
  6. Step 6: Final answer
    x = 171,831,549.22

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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.