Home / 86,793,007.80-130,189,511.70-35,658,031.80

Finding the Fourth Proportional to 86,793,007.80, 130,189,511.70 and 35,658,031.80

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Solution

The fourth proportional to 86,793,007.80, 130,189,511.70 and 35,658,031.80 is: 53,487,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793,007.80 : 130,189,511.70 = 35,658,031.80 : x
  2. Step 2: Convert to fraction form
    86,793,007.80/130,189,511.70 = 35,658,031.80/x
  3. Step 3: Cross multiply
    86,793,007.80x = 130,189,511.70 × 35,658,031.80
  4. Step 4: Simplify right side
    86,793,007.80x = 4,642,301,748,225,072
  5. Step 5: Solve for x
    x = 4,642,301,748,225,072/86,793,007.80
  6. Step 6: Final answer
    x = 53,487,047.70

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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.