Home / 127,483,963.60-191,225,945.40-99,742,743.40

Finding the Fourth Proportional to 127,483,963.60, 191,225,945.40 and 99,742,743.40

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Solution

The fourth proportional to 127,483,963.60, 191,225,945.40 and 99,742,743.40 is: 149,614,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,483,963.60 : 191,225,945.40 = 99,742,743.40 : x
  2. Step 2: Convert to fraction form
    127,483,963.60/191,225,945.40 = 99,742,743.40/x
  3. Step 3: Cross multiply
    127,483,963.60x = 191,225,945.40 × 99,742,743.40
  4. Step 4: Simplify right side
    127,483,963.60x = 19,073,400,403,454,612
  5. Step 5: Solve for x
    x = 19,073,400,403,454,612/127,483,963.60
  6. Step 6: Final answer
    x = 149,614,115.10

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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.