Home / 124,798,752.21-172,221,001.12-69,044,571.64

Finding the Fourth Proportional to 124,798,752.21, 172,221,001.12 and 69,044,571.64

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Solution

The fourth proportional to 124,798,752.21, 172,221,001.12 and 69,044,571.64 is: 95,280,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,798,752.21 : 172,221,001.12 = 69,044,571.64 : x
  2. Step 2: Convert to fraction form
    124,798,752.21/172,221,001.12 = 69,044,571.64/x
  3. Step 3: Cross multiply
    124,798,752.21x = 172,221,001.12 × 69,044,571.64
  4. Step 4: Simplify right side
    124,798,752.21x = 11,890,925,248,536,034
  5. Step 5: Solve for x
    x = 11,890,925,248,536,034/124,798,752.21
  6. Step 6: Final answer
    x = 95,280,802.40

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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.