Home / 88,706,428.70-133,059,643.05-82,070,908.70

Finding the Fourth Proportional to 88,706,428.70, 133,059,643.05 and 82,070,908.70

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Solution

The fourth proportional to 88,706,428.70, 133,059,643.05 and 82,070,908.70 is: 123,106,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,428.70 : 133,059,643.05 = 82,070,908.70 : x
  2. Step 2: Convert to fraction form
    88,706,428.70/133,059,643.05 = 82,070,908.70/x
  3. Step 3: Cross multiply
    88,706,428.70x = 133,059,643.05 × 82,070,908.70
  4. Step 4: Simplify right side
    88,706,428.70x = 10,920,325,816,411,140
  5. Step 5: Solve for x
    x = 10,920,325,816,411,140/88,706,428.70
  6. Step 6: Final answer
    x = 123,106,363.05

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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.