Home / 84,521,981.34-116,643,217.68-47,353,828.86

Finding the Fourth Proportional to 84,521,981.34, 116,643,217.68 and 47,353,828.86

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Solution

The fourth proportional to 84,521,981.34, 116,643,217.68 and 47,353,828.86 is: 65,349,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,521,981.34 : 116,643,217.68 = 47,353,828.86 : x
  2. Step 2: Convert to fraction form
    84,521,981.34/116,643,217.68 = 47,353,828.86/x
  3. Step 3: Cross multiply
    84,521,981.34x = 116,643,217.68 × 47,353,828.86
  4. Step 4: Simplify right side
    84,521,981.34x = 5,523,502,967,698,447
  5. Step 5: Solve for x
    x = 5,523,502,967,698,447/84,521,981.34
  6. Step 6: Final answer
    x = 65,349,899.28

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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.