Home / 219,316,065.19-328,971,561.58-53,320,510.38

Finding the Fourth Proportional to 219,316,065.19, 328,971,561.58 and 53,320,510.38

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Solution

The fourth proportional to 219,316,065.19, 328,971,561.58 and 53,320,510.38 is: 79,980,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,065.19 : 328,971,561.58 = 53,320,510.38 : x
  2. Step 2: Convert to fraction form
    219,316,065.19/328,971,561.58 = 53,320,510.38/x
  3. Step 3: Cross multiply
    219,316,065.19x = 328,971,561.58 × 53,320,510.38
  4. Step 4: Simplify right side
    219,316,065.19x = 17,540,931,563,951,200
  5. Step 5: Solve for x
    x = 17,540,931,563,951,200/219,316,065.19
  6. Step 6: Final answer
    x = 79,980,148.96

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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.