Home / 139,088,063.98-191,931,926.86-77,203,531

Finding the Fourth Proportional to 139,088,063.98, 191,931,926.86 and 77,203,531

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Solution

The fourth proportional to 139,088,063.98, 191,931,926.86 and 77,203,531 is: 106,535,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,088,063.98 : 191,931,926.86 = 77,203,531 : x
  2. Step 2: Convert to fraction form
    139,088,063.98/191,931,926.86 = 77,203,531/x
  3. Step 3: Cross multiply
    139,088,063.98x = 191,931,926.86 × 77,203,531
  4. Step 4: Simplify right side
    139,088,063.98x = 14,817,822,465,225,744
  5. Step 5: Solve for x
    x = 14,817,822,465,225,744/139,088,063.98
  6. Step 6: Final answer
    x = 106,535,543.32

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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.