Home / 91,032,347.40-136,548,521.10-52,130,866.20

Finding the Fourth Proportional to 91,032,347.40, 136,548,521.10 and 52,130,866.20

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Solution

The fourth proportional to 91,032,347.40, 136,548,521.10 and 52,130,866.20 is: 78,196,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,032,347.40 : 136,548,521.10 = 52,130,866.20 : x
  2. Step 2: Convert to fraction form
    91,032,347.40/136,548,521.10 = 52,130,866.20/x
  3. Step 3: Cross multiply
    91,032,347.40x = 136,548,521.10 × 52,130,866.20
  4. Step 4: Simplify right side
    91,032,347.40x = 7,118,392,683,271,977
  5. Step 5: Solve for x
    x = 7,118,392,683,271,977/91,032,347.40
  6. Step 6: Final answer
    x = 78,196,299.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.