Home / 90,866,355,484.84-136,302,309,963.62-31,174,180,434.32

Finding the Fourth Proportional to 90,866,355,484.84, 136,302,309,963.62 and 31,174,180,434.32

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Solution

The fourth proportional to 90,866,355,484.84, 136,302,309,963.62 and 31,174,180,434.32 is: 46,762,223,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,866,355,484.84 : 136,302,309,963.62 = 31,174,180,434.32 : x
  2. Step 2: Convert to fraction form
    90,866,355,484.84/136,302,309,963.62 = 31,174,180,434.32/x
  3. Step 3: Cross multiply
    90,866,355,484.84x = 136,302,309,963.62 × 31,174,180,434.32
  4. Step 4: Simplify right side
    90,866,355,484.84x = 4,249,112,804,420,502,421,504
  5. Step 5: Solve for x
    x = 4,249,112,804,420,502,421,504/90,866,355,484.84
  6. Step 6: Final answer
    x = 46,762,223,286.59

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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.