Home / 113,851,645.74-157,113,395.55-61,640,263.98

Finding the Fourth Proportional to 113,851,645.74, 157,113,395.55 and 61,640,263.98

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Solution

The fourth proportional to 113,851,645.74, 157,113,395.55 and 61,640,263.98 is: 85,062,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,851,645.74 : 157,113,395.55 = 61,640,263.98 : x
  2. Step 2: Convert to fraction form
    113,851,645.74/157,113,395.55 = 61,640,263.98/x
  3. Step 3: Cross multiply
    113,851,645.74x = 157,113,395.55 × 61,640,263.98
  4. Step 4: Simplify right side
    113,851,645.74x = 9,684,511,176,496,158
  5. Step 5: Solve for x
    x = 9,684,511,176,496,158/113,851,645.74
  6. Step 6: Final answer
    x = 85,062,548.84

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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.