Home / 113,919,114.89-157,209,133.30-61,708,150.08

Finding the Fourth Proportional to 113,919,114.89, 157,209,133.30 and 61,708,150.08

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Solution

The fourth proportional to 113,919,114.89, 157,209,133.30 and 61,708,150.08 is: 85,157,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,919,114.89 : 157,209,133.30 = 61,708,150.08 : x
  2. Step 2: Convert to fraction form
    113,919,114.89/157,209,133.30 = 61,708,150.08/x
  3. Step 3: Cross multiply
    113,919,114.89x = 157,209,133.30 × 61,708,150.08
  4. Step 4: Simplify right side
    113,919,114.89x = 9,701,084,791,468,856
  5. Step 5: Solve for x
    x = 9,701,084,791,468,856/113,919,114.89
  6. Step 6: Final answer
    x = 85,157,655.94

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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.