Home / 147,736,280.10-221,604,420.15-135,832,001.70

Finding the Fourth Proportional to 147,736,280.10, 221,604,420.15 and 135,832,001.70

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Solution

The fourth proportional to 147,736,280.10, 221,604,420.15 and 135,832,001.70 is: 203,748,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,736,280.10 : 221,604,420.15 = 135,832,001.70 : x
  2. Step 2: Convert to fraction form
    147,736,280.10/221,604,420.15 = 135,832,001.70/x
  3. Step 3: Cross multiply
    147,736,280.10x = 221,604,420.15 × 135,832,001.70
  4. Step 4: Simplify right side
    147,736,280.10x = 30,100,971,974,542,312
  5. Step 5: Solve for x
    x = 30,100,971,974,542,312/147,736,280.10
  6. Step 6: Final answer
    x = 203,748,002.55

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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.