Home / 92,847,271.07-128,130,565.64-51,035,207.25

Finding the Fourth Proportional to 92,847,271.07, 128,130,565.64 and 51,035,207.25

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Solution

The fourth proportional to 92,847,271.07, 128,130,565.64 and 51,035,207.25 is: 70,429,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,847,271.07 : 128,130,565.64 = 51,035,207.25 : x
  2. Step 2: Convert to fraction form
    92,847,271.07/128,130,565.64 = 51,035,207.25/x
  3. Step 3: Cross multiply
    92,847,271.07x = 128,130,565.64 × 51,035,207.25
  4. Step 4: Simplify right side
    92,847,271.07x = 6,539,169,972,722,442
  5. Step 5: Solve for x
    x = 6,539,169,972,722,442/92,847,271.07
  6. Step 6: Final answer
    x = 70,429,317.92

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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.