Home / 92,836,281.52-128,117,140.12-51,021,828.98

Finding the Fourth Proportional to 92,836,281.52, 128,117,140.12 and 51,021,828.98

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Solution

The fourth proportional to 92,836,281.52, 128,117,140.12 and 51,021,828.98 is: 70,411,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836,281.52 : 128,117,140.12 = 51,021,828.98 : x
  2. Step 2: Convert to fraction form
    92,836,281.52/128,117,140.12 = 51,021,828.98/x
  3. Step 3: Cross multiply
    92,836,281.52x = 128,117,140.12 × 51,021,828.98
  4. Step 4: Simplify right side
    92,836,281.52x = 6,536,770,812,609,337
  5. Step 5: Solve for x
    x = 6,536,770,812,609,337/92,836,281.52
  6. Step 6: Final answer
    x = 70,411,812.12

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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.