Home / 127,001,139.84-190,440,084.96-74,493,155.52

Finding the Fourth Proportional to 127,001,139.84, 190,440,084.96 and 74,493,155.52

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Solution

The fourth proportional to 127,001,139.84, 190,440,084.96 and 74,493,155.52 is: 111,703,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,001,139.84 : 190,440,084.96 = 74,493,155.52 : x
  2. Step 2: Convert to fraction form
    127,001,139.84/190,440,084.96 = 74,493,155.52/x
  3. Step 3: Cross multiply
    127,001,139.84x = 190,440,084.96 × 74,493,155.52
  4. Step 4: Simplify right side
    127,001,139.84x = 14,186,482,866,167,292
  5. Step 5: Solve for x
    x = 14,186,482,866,167,292/127,001,139.84
  6. Step 6: Final answer
    x = 111,703,586.94

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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.