Home / 105,532,085.49-145,634,292.03-58,492,192.65

Finding the Fourth Proportional to 105,532,085.49, 145,634,292.03 and 58,492,192.65

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Solution

The fourth proportional to 105,532,085.49, 145,634,292.03 and 58,492,192.65 is: 80,719,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,532,085.49 : 145,634,292.03 = 58,492,192.65 : x
  2. Step 2: Convert to fraction form
    105,532,085.49/145,634,292.03 = 58,492,192.65/x
  3. Step 3: Cross multiply
    105,532,085.49x = 145,634,292.03 × 58,492,192.65
  4. Step 4: Simplify right side
    105,532,085.49x = 8,518,469,066,084,465
  5. Step 5: Solve for x
    x = 8,518,469,066,084,465/105,532,085.49
  6. Step 6: Final answer
    x = 80,719,233.65

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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.