Home / 199,879,530.40-299,819,295.60-97,709,111.20

Finding the Fourth Proportional to 199,879,530.40, 299,819,295.60 and 97,709,111.20

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Solution

The fourth proportional to 199,879,530.40, 299,819,295.60 and 97,709,111.20 is: 146,563,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,879,530.40 : 299,819,295.60 = 97,709,111.20 : x
  2. Step 2: Convert to fraction form
    199,879,530.40/299,819,295.60 = 97,709,111.20/x
  3. Step 3: Cross multiply
    199,879,530.40x = 299,819,295.60 × 97,709,111.20
  4. Step 4: Simplify right side
    199,879,530.40x = 29,295,076,893,686,072
  5. Step 5: Solve for x
    x = 29,295,076,893,686,072/199,879,530.40
  6. Step 6: Final answer
    x = 146,563,666.80

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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.