Home / 114,040,878.36-157,506,312.54-77,307,676.44

Finding the Fourth Proportional to 114,040,878.36, 157,506,312.54 and 77,307,676.44

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Solution

The fourth proportional to 114,040,878.36, 157,506,312.54 and 77,307,676.44 is: 106,772,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,040,878.36 : 157,506,312.54 = 77,307,676.44 : x
  2. Step 2: Convert to fraction form
    114,040,878.36/157,506,312.54 = 77,307,676.44/x
  3. Step 3: Cross multiply
    114,040,878.36x = 157,506,312.54 × 77,307,676.44
  4. Step 4: Simplify right side
    114,040,878.36x = 12,176,447,047,099,834
  5. Step 5: Solve for x
    x = 12,176,447,047,099,834/114,040,878.36
  6. Step 6: Final answer
    x = 106,772,652.25

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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.