Home / 153,495,747.88-211,826,901.54-83,884,062.76

Finding the Fourth Proportional to 153,495,747.88, 211,826,901.54 and 83,884,062.76

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Solution

The fourth proportional to 153,495,747.88, 211,826,901.54 and 83,884,062.76 is: 115,761,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,495,747.88 : 211,826,901.54 = 83,884,062.76 : x
  2. Step 2: Convert to fraction form
    153,495,747.88/211,826,901.54 = 83,884,062.76/x
  3. Step 3: Cross multiply
    153,495,747.88x = 211,826,901.54 × 83,884,062.76
  4. Step 4: Simplify right side
    153,495,747.88x = 17,768,901,103,037,702
  5. Step 5: Solve for x
    x = 17,768,901,103,037,702/153,495,747.88
  6. Step 6: Final answer
    x = 115,761,520.10

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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.