Home / 157,615,615.20-236,423,422.80-42,596,911.20

Finding the Fourth Proportional to 157,615,615.20, 236,423,422.80 and 42,596,911.20

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Solution

The fourth proportional to 157,615,615.20, 236,423,422.80 and 42,596,911.20 is: 63,895,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,615,615.20 : 236,423,422.80 = 42,596,911.20 : x
  2. Step 2: Convert to fraction form
    157,615,615.20/236,423,422.80 = 42,596,911.20/x
  3. Step 3: Cross multiply
    157,615,615.20x = 236,423,422.80 × 42,596,911.20
  4. Step 4: Simplify right side
    157,615,615.20x = 10,070,907,546,611,656
  5. Step 5: Solve for x
    x = 10,070,907,546,611,656/157,615,615.20
  6. Step 6: Final answer
    x = 63,895,366.80

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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.