Home / 109,837,291.95-151,565,444.28-65,175,567.03

Finding the Fourth Proportional to 109,837,291.95, 151,565,444.28 and 65,175,567.03

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Solution

The fourth proportional to 109,837,291.95, 151,565,444.28 and 65,175,567.03 is: 89,936,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,837,291.95 : 151,565,444.28 = 65,175,567.03 : x
  2. Step 2: Convert to fraction form
    109,837,291.95/151,565,444.28 = 65,175,567.03/x
  3. Step 3: Cross multiply
    109,837,291.95x = 151,565,444.28 × 65,175,567.03
  4. Step 4: Simplify right side
    109,837,291.95x = 9,878,363,773,102,870
  5. Step 5: Solve for x
    x = 9,878,363,773,102,870/109,837,291.95
  6. Step 6: Final answer
    x = 89,936,337.63

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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.