Home / 121,119,363.10-181,721,035.05-53,010,934.30

Finding the Fourth Proportional to 121,119,363.10, 181,721,035.05 and 53,010,934.30

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Solution

The fourth proportional to 121,119,363.10, 181,721,035.05 and 53,010,934.30 is: 79,534,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,119,363.10 : 181,721,035.05 = 53,010,934.30 : x
  2. Step 2: Convert to fraction form
    121,119,363.10/181,721,035.05 = 53,010,934.30/x
  3. Step 3: Cross multiply
    121,119,363.10x = 181,721,035.05 × 53,010,934.30
  4. Step 4: Simplify right side
    121,119,363.10x = 9,633,201,849,963,548
  5. Step 5: Solve for x
    x = 9,633,201,849,963,548/121,119,363.10
  6. Step 6: Final answer
    x = 79,534,779.60

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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.