Home / 113,815,904-157,065,955.20-62,307,680

Finding the Fourth Proportional to 113,815,904, 157,065,955.20 and 62,307,680

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Solution

The fourth proportional to 113,815,904, 157,065,955.20 and 62,307,680 is: 85,984,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,815,904 : 157,065,955.20 = 62,307,680 : x
  2. Step 2: Convert to fraction form
    113,815,904/157,065,955.20 = 62,307,680/x
  3. Step 3: Cross multiply
    113,815,904x = 157,065,955.20 × 62,307,680
  4. Step 4: Simplify right side
    113,815,904x = 9,786,415,275,495,936
  5. Step 5: Solve for x
    x = 9,786,415,275,495,936/113,815,904
  6. Step 6: Final answer
    x = 85,984,602.60

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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.