Home / 124,551,837.40-186,827,756.10-81,553,667.80

Finding the Fourth Proportional to 124,551,837.40, 186,827,756.10 and 81,553,667.80

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Solution

The fourth proportional to 124,551,837.40, 186,827,756.10 and 81,553,667.80 is: 122,330,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,551,837.40 : 186,827,756.10 = 81,553,667.80 : x
  2. Step 2: Convert to fraction form
    124,551,837.40/186,827,756.10 = 81,553,667.80/x
  3. Step 3: Cross multiply
    124,551,837.40x = 186,827,756.10 × 81,553,667.80
  4. Step 4: Simplify right side
    124,551,837.40x = 15,236,488,756,798,822
  5. Step 5: Solve for x
    x = 15,236,488,756,798,822/124,551,837.40
  6. Step 6: Final answer
    x = 122,330,501.70

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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.