Home / 219,316,066.19-328,971,563.08-53,320,511.38

Finding the Fourth Proportional to 219,316,066.19, 328,971,563.08 and 53,320,511.38

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Solution

The fourth proportional to 219,316,066.19, 328,971,563.08 and 53,320,511.38 is: 79,980,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,066.19 : 328,971,563.08 = 53,320,511.38 : x
  2. Step 2: Convert to fraction form
    219,316,066.19/328,971,563.08 = 53,320,511.38/x
  3. Step 3: Cross multiply
    219,316,066.19x = 328,971,563.08 × 53,320,511.38
  4. Step 4: Simplify right side
    219,316,066.19x = 17,540,931,972,903,528
  5. Step 5: Solve for x
    x = 17,540,931,972,903,528/219,316,066.19
  6. Step 6: Final answer
    x = 79,980,150.46

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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.