Home / 153,834,095.52-212,291,099.64-84,223,897.56

Finding the Fourth Proportional to 153,834,095.52, 212,291,099.64 and 84,223,897.56

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Solution

The fourth proportional to 153,834,095.52, 212,291,099.64 and 84,223,897.56 is: 116,229,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,834,095.52 : 212,291,099.64 = 84,223,897.56 : x
  2. Step 2: Convert to fraction form
    153,834,095.52/212,291,099.64 = 84,223,897.56/x
  3. Step 3: Cross multiply
    153,834,095.52x = 212,291,099.64 × 84,223,897.56
  4. Step 4: Simplify right side
    153,834,095.52x = 17,879,983,828,979,112
  5. Step 5: Solve for x
    x = 17,879,983,828,979,112/153,834,095.52
  6. Step 6: Final answer
    x = 116,229,004.82

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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.