Home / 261,829,840.50-392,746,729.05-116,224,257.51

Finding the Fourth Proportional to 261,829,840.50, 392,746,729.05 and 116,224,257.51

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Solution

The fourth proportional to 261,829,840.50, 392,746,729.05 and 116,224,257.51 is: 174,337,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,829,840.50 : 392,746,729.05 = 116,224,257.51 : x
  2. Step 2: Convert to fraction form
    261,829,840.50/392,746,729.05 = 116,224,257.51/x
  3. Step 3: Cross multiply
    261,829,840.50x = 392,746,729.05 × 116,224,257.51
  4. Step 4: Simplify right side
    261,829,840.50x = 45,646,696,973,317,400
  5. Step 5: Solve for x
    x = 45,646,696,973,317,400/261,829,840.50
  6. Step 6: Final answer
    x = 174,337,259.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.