Home / 86,943,927.40-130,415,891.10-52,931,703.40

Finding the Fourth Proportional to 86,943,927.40, 130,415,891.10 and 52,931,703.40

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Solution

The fourth proportional to 86,943,927.40, 130,415,891.10 and 52,931,703.40 is: 79,397,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943,927.40 : 130,415,891.10 = 52,931,703.40 : x
  2. Step 2: Convert to fraction form
    86,943,927.40/130,415,891.10 = 52,931,703.40/x
  3. Step 3: Cross multiply
    86,943,927.40x = 130,415,891.10 × 52,931,703.40
  4. Step 4: Simplify right side
    86,943,927.40x = 6,903,135,266,351,899
  5. Step 5: Solve for x
    x = 6,903,135,266,351,899/86,943,927.40
  6. Step 6: Final answer
    x = 79,397,555.10

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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.