Home / 157,719,878.20-236,402,870.10-66,827,999.80

Finding the Fourth Proportional to 157,719,878.20, 236,402,870.10 and 66,827,999.80

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Solution

The fourth proportional to 157,719,878.20, 236,402,870.10 and 66,827,999.80 is: 100,167,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,719,878.20 : 236,402,870.10 = 66,827,999.80 : x
  2. Step 2: Convert to fraction form
    157,719,878.20/236,402,870.10 = 66,827,999.80/x
  3. Step 3: Cross multiply
    157,719,878.20x = 236,402,870.10 × 66,827,999.80
  4. Step 4: Simplify right side
    157,719,878.20x = 15,798,330,955,762,224
  5. Step 5: Solve for x
    x = 15,798,330,955,762,224/157,719,878.20
  6. Step 6: Final answer
    x = 100,167,024.83

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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.