Home / 95,845,031.80-143,767,547.70-78,838,919.80

Finding the Fourth Proportional to 95,845,031.80, 143,767,547.70 and 78,838,919.80

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Solution

The fourth proportional to 95,845,031.80, 143,767,547.70 and 78,838,919.80 is: 118,258,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,845,031.80 : 143,767,547.70 = 78,838,919.80 : x
  2. Step 2: Convert to fraction form
    95,845,031.80/143,767,547.70 = 78,838,919.80/x
  3. Step 3: Cross multiply
    95,845,031.80x = 143,767,547.70 × 78,838,919.80
  4. Step 4: Simplify right side
    95,845,031.80x = 11,334,478,162,962,974
  5. Step 5: Solve for x
    x = 11,334,478,162,962,974/95,845,031.80
  6. Step 6: Final answer
    x = 118,258,379.70

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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.