Home / 127,887,246.40-191,830,869.60-89,592,001.60

Finding the Fourth Proportional to 127,887,246.40, 191,830,869.60 and 89,592,001.60

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Solution

The fourth proportional to 127,887,246.40, 191,830,869.60 and 89,592,001.60 is: 134,388,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,887,246.40 : 191,830,869.60 = 89,592,001.60 : x
  2. Step 2: Convert to fraction form
    127,887,246.40/191,830,869.60 = 89,592,001.60/x
  3. Step 3: Cross multiply
    127,887,246.40x = 191,830,869.60 × 89,592,001.60
  4. Step 4: Simplify right side
    127,887,246.40x = 17,186,511,576,132,590
  5. Step 5: Solve for x
    x = 17,186,511,576,132,590/127,887,246.40
  6. Step 6: Final answer
    x = 134,388,002.40

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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.