Home / 115,134,211.40-158,884,953.18-65,574,581.72

Finding the Fourth Proportional to 115,134,211.40, 158,884,953.18 and 65,574,581.72

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Solution

The fourth proportional to 115,134,211.40, 158,884,953.18 and 65,574,581.72 is: 90,492,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,134,211.40 : 158,884,953.18 = 65,574,581.72 : x
  2. Step 2: Convert to fraction form
    115,134,211.40/158,884,953.18 = 65,574,581.72/x
  3. Step 3: Cross multiply
    115,134,211.40x = 158,884,953.18 × 65,574,581.72
  4. Step 4: Simplify right side
    115,134,211.40x = 10,418,814,346,380,284
  5. Step 5: Solve for x
    x = 10,418,814,346,380,284/115,134,211.40
  6. Step 6: Final answer
    x = 90,492,775.52

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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.