Home / 91,056,963.51-136,565,875.68-28,813,210.32

Finding the Fourth Proportional to 91,056,963.51, 136,565,875.68 and 28,813,210.32

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Solution

The fourth proportional to 91,056,963.51, 136,565,875.68 and 28,813,210.32 is: 43,213,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,056,963.51 : 136,565,875.68 = 28,813,210.32 : x
  2. Step 2: Convert to fraction form
    91,056,963.51/136,565,875.68 = 28,813,210.32/x
  3. Step 3: Cross multiply
    91,056,963.51x = 136,565,875.68 × 28,813,210.32
  4. Step 4: Simplify right side
    91,056,963.51x = 3,934,901,298,502,813.50
  5. Step 5: Solve for x
    x = 3,934,901,298,502,813.50/91,056,963.51
  6. Step 6: Final answer
    x = 43,213,623.06

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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.