Home / 129,908,363.10-179,273,692.71-70,369,779.66

Finding the Fourth Proportional to 129,908,363.10, 179,273,692.71 and 70,369,779.66

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Solution

The fourth proportional to 129,908,363.10, 179,273,692.71 and 70,369,779.66 is: 97,110,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,908,363.10 : 179,273,692.71 = 70,369,779.66 : x
  2. Step 2: Convert to fraction form
    129,908,363.10/179,273,692.71 = 70,369,779.66/x
  3. Step 3: Cross multiply
    129,908,363.10x = 179,273,692.71 × 70,369,779.66
  4. Step 4: Simplify right side
    129,908,363.10x = 12,615,450,254,837,248
  5. Step 5: Solve for x
    x = 12,615,450,254,837,248/129,908,363.10
  6. Step 6: Final answer
    x = 97,110,378.07

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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.