Home / 113,918,972.86-157,208,937.38-61,708,008.52

Finding the Fourth Proportional to 113,918,972.86, 157,208,937.38 and 61,708,008.52

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Solution

The fourth proportional to 113,918,972.86, 157,208,937.38 and 61,708,008.52 is: 85,157,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,972.86 : 157,208,937.38 = 61,708,008.52 : x
  2. Step 2: Convert to fraction form
    113,918,972.86/157,208,937.38 = 61,708,008.52/x
  3. Step 3: Cross multiply
    113,918,972.86x = 157,208,937.38 × 61,708,008.52
  4. Step 4: Simplify right side
    113,918,972.86x = 9,701,050,447,265,186
  5. Step 5: Solve for x
    x = 9,701,050,447,265,186/113,918,972.86
  6. Step 6: Final answer
    x = 85,157,460.64

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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.