Home / 210,045,510.90-289,842,085.89-115,953,547.86

Finding the Fourth Proportional to 210,045,510.90, 289,842,085.89 and 115,953,547.86

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Solution

The fourth proportional to 210,045,510.90, 289,842,085.89 and 115,953,547.86 is: 160,004,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,045,510.90 : 289,842,085.89 = 115,953,547.86 : x
  2. Step 2: Convert to fraction form
    210,045,510.90/289,842,085.89 = 115,953,547.86/x
  3. Step 3: Cross multiply
    210,045,510.90x = 289,842,085.89 × 115,953,547.86
  4. Step 4: Simplify right side
    210,045,510.90x = 33,608,218,178,088,344
  5. Step 5: Solve for x
    x = 33,608,218,178,088,344/210,045,510.90
  6. Step 6: Final answer
    x = 160,004,458.24

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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.