Home / 288,459,907.56-398,076,057.90-156,300,869.16

Finding the Fourth Proportional to 288,459,907.56, 398,076,057.90 and 156,300,869.16

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Solution

The fourth proportional to 288,459,907.56, 398,076,057.90 and 156,300,869.16 is: 215,695,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,459,907.56 : 398,076,057.90 = 156,300,869.16 : x
  2. Step 2: Convert to fraction form
    288,459,907.56/398,076,057.90 = 156,300,869.16/x
  3. Step 3: Cross multiply
    288,459,907.56x = 398,076,057.90 × 156,300,869.16
  4. Step 4: Simplify right side
    288,459,907.56x = 62,219,633,841,556,480
  5. Step 5: Solve for x
    x = 62,219,633,841,556,480/288,459,907.56
  6. Step 6: Final answer
    x = 215,695,950.15

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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.