Home / 90,296,335.80-135,444,503.70-84,249,718.20

Finding the Fourth Proportional to 90,296,335.80, 135,444,503.70 and 84,249,718.20

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Solution

The fourth proportional to 90,296,335.80, 135,444,503.70 and 84,249,718.20 is: 126,374,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,296,335.80 : 135,444,503.70 = 84,249,718.20 : x
  2. Step 2: Convert to fraction form
    90,296,335.80/135,444,503.70 = 84,249,718.20/x
  3. Step 3: Cross multiply
    90,296,335.80x = 135,444,503.70 × 84,249,718.20
  4. Step 4: Simplify right side
    90,296,335.80x = 11,411,161,268,463,856
  5. Step 5: Solve for x
    x = 11,411,161,268,463,856/90,296,335.80
  6. Step 6: Final answer
    x = 126,374,577.30

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1.5x scale

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.