Home / 153,785,066.50-212,223,391.72-84,170,447.39

Finding the Fourth Proportional to 153,785,066.50, 212,223,391.72 and 84,170,447.39

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Solution

The fourth proportional to 153,785,066.50, 212,223,391.72 and 84,170,447.39 is: 116,155,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,785,066.50 : 212,223,391.72 = 84,170,447.39 : x
  2. Step 2: Convert to fraction form
    153,785,066.50/212,223,391.72 = 84,170,447.39/x
  3. Step 3: Cross multiply
    153,785,066.50x = 212,223,391.72 × 84,170,447.39
  4. Step 4: Simplify right side
    153,785,066.50x = 17,862,937,826,634,506
  5. Step 5: Solve for x
    x = 17,862,937,826,634,506/153,785,066.50
  6. Step 6: Final answer
    x = 116,155,217.37

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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.