Home / 90,754,826.88-125,287,894.08-70,081,864.32

Finding the Fourth Proportional to 90,754,826.88, 125,287,894.08 and 70,081,864.32

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Solution

The fourth proportional to 90,754,826.88, 125,287,894.08 and 70,081,864.32 is: 96,748,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,754,826.88 : 125,287,894.08 = 70,081,864.32 : x
  2. Step 2: Convert to fraction form
    90,754,826.88/125,287,894.08 = 70,081,864.32/x
  3. Step 3: Cross multiply
    90,754,826.88x = 125,287,894.08 × 70,081,864.32
  4. Step 4: Simplify right side
    90,754,826.88x = 8,780,409,193,853,090
  5. Step 5: Solve for x
    x = 8,780,409,193,853,090/90,754,826.88
  6. Step 6: Final answer
    x = 96,748,674.38

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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.