Home / 129,056,083.59-178,097,420.98-70,318,748.71

Finding the Fourth Proportional to 129,056,083.59, 178,097,420.98 and 70,318,748.71

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Solution

The fourth proportional to 129,056,083.59, 178,097,420.98 and 70,318,748.71 is: 97,039,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,056,083.59 : 178,097,420.98 = 70,318,748.71 : x
  2. Step 2: Convert to fraction form
    129,056,083.59/178,097,420.98 = 70,318,748.71/x
  3. Step 3: Cross multiply
    129,056,083.59x = 178,097,420.98 × 70,318,748.71
  4. Step 4: Simplify right side
    129,056,083.59x = 12,523,587,791,791,700
  5. Step 5: Solve for x
    x = 12,523,587,791,791,700/129,056,083.59
  6. Step 6: Final answer
    x = 97,039,887.18

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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.