Home / 86,938,701.70-130,408,052.55-65,255,908.90

Finding the Fourth Proportional to 86,938,701.70, 130,408,052.55 and 65,255,908.90

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Solution

The fourth proportional to 86,938,701.70, 130,408,052.55 and 65,255,908.90 is: 97,883,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,938,701.70 : 130,408,052.55 = 65,255,908.90 : x
  2. Step 2: Convert to fraction form
    86,938,701.70/130,408,052.55 = 65,255,908.90/x
  3. Step 3: Cross multiply
    86,938,701.70x = 130,408,052.55 × 65,255,908.90
  4. Step 4: Simplify right side
    86,938,701.70x = 8,509,895,997,029,212
  5. Step 5: Solve for x
    x = 8,509,895,997,029,212/86,938,701.70
  6. Step 6: Final answer
    x = 97,883,863.35

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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.