Home / 425,553,750.34-638,277,792.99-114,685,686.16

Finding the Fourth Proportional to 425,553,750.34, 638,277,792.99 and 114,685,686.16

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Solution

The fourth proportional to 425,553,750.34, 638,277,792.99 and 114,685,686.16 is: 172,014,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,553,750.34 : 638,277,792.99 = 114,685,686.16 : x
  2. Step 2: Convert to fraction form
    425,553,750.34/638,277,792.99 = 114,685,686.16/x
  3. Step 3: Cross multiply
    425,553,750.34x = 638,277,792.99 × 114,685,686.16
  4. Step 4: Simplify right side
    425,553,750.34x = 73,201,326,649,748,592
  5. Step 5: Solve for x
    x = 73,201,326,649,748,592/425,553,750.34
  6. Step 6: Final answer
    x = 172,014,291.01

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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.