Home / 145,921,384.86-218,913,302.19-53,805,387.74

Finding the Fourth Proportional to 145,921,384.86, 218,913,302.19 and 53,805,387.74

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Solution

The fourth proportional to 145,921,384.86, 218,913,302.19 and 53,805,387.74 is: 80,719,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,921,384.86 : 218,913,302.19 = 53,805,387.74 : x
  2. Step 2: Convert to fraction form
    145,921,384.86/218,913,302.19 = 53,805,387.74/x
  3. Step 3: Cross multiply
    145,921,384.86x = 218,913,302.19 × 53,805,387.74
  4. Step 4: Simplify right side
    145,921,384.86x = 11,778,715,104,682,174
  5. Step 5: Solve for x
    x = 11,778,715,104,682,174/145,921,384.86
  6. Step 6: Final answer
    x = 80,719,595.12

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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.