Home / 209,953,779.70-314,930,669.55-133,048,362.10

Finding the Fourth Proportional to 209,953,779.70, 314,930,669.55 and 133,048,362.10

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Solution

The fourth proportional to 209,953,779.70, 314,930,669.55 and 133,048,362.10 is: 199,572,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,779.70 : 314,930,669.55 = 133,048,362.10 : x
  2. Step 2: Convert to fraction form
    209,953,779.70/314,930,669.55 = 133,048,362.10/x
  3. Step 3: Cross multiply
    209,953,779.70x = 314,930,669.55 × 133,048,362.10
  4. Step 4: Simplify right side
    209,953,779.70x = 41,901,009,758,683,840
  5. Step 5: Solve for x
    x = 41,901,009,758,683,840/209,953,779.70
  6. Step 6: Final answer
    x = 199,572,543.15

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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.