Home / 86,669,295.40-130,003,943.10-35,587,973.80

Finding the Fourth Proportional to 86,669,295.40, 130,003,943.10 and 35,587,973.80

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Solution

The fourth proportional to 86,669,295.40, 130,003,943.10 and 35,587,973.80 is: 53,381,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,669,295.40 : 130,003,943.10 = 35,587,973.80 : x
  2. Step 2: Convert to fraction form
    86,669,295.40/130,003,943.10 = 35,587,973.80/x
  3. Step 3: Cross multiply
    86,669,295.40x = 130,003,943.10 × 35,587,973.80
  4. Step 4: Simplify right side
    86,669,295.40x = 4,626,576,920,939,490
  5. Step 5: Solve for x
    x = 4,626,576,920,939,490/86,669,295.40
  6. Step 6: Final answer
    x = 53,381,960.70

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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.