Home / 76,432,034.40-105,484,920.48-45,492,302.40

Finding the Fourth Proportional to 76,432,034.40, 105,484,920.48 and 45,492,302.40

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Solution

The fourth proportional to 76,432,034.40, 105,484,920.48 and 45,492,302.40 is: 62,784,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,432,034.40 : 105,484,920.48 = 45,492,302.40 : x
  2. Step 2: Convert to fraction form
    76,432,034.40/105,484,920.48 = 45,492,302.40/x
  3. Step 3: Cross multiply
    76,432,034.40x = 105,484,920.48 × 45,492,302.40
  4. Step 4: Simplify right side
    76,432,034.40x = 4,798,751,901,116,113
  5. Step 5: Solve for x
    x = 4,798,751,901,116,113/76,432,034.40
  6. Step 6: Final answer
    x = 62,784,563.29

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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.