Home / 141,421,612.69-212,070,581.07-71,348,733.01

Finding the Fourth Proportional to 141,421,612.69, 212,070,581.07 and 71,348,733.01

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Solution

The fourth proportional to 141,421,612.69, 212,070,581.07 and 71,348,733.01 is: 106,991,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,421,612.69 : 212,070,581.07 = 71,348,733.01 : x
  2. Step 2: Convert to fraction form
    141,421,612.69/212,070,581.07 = 71,348,733.01/x
  3. Step 3: Cross multiply
    141,421,612.69x = 212,070,581.07 × 71,348,733.01
  4. Step 4: Simplify right side
    141,421,612.69x = 15,130,967,268,038,990
  5. Step 5: Solve for x
    x = 15,130,967,268,038,990/141,421,612.69
  6. Step 6: Final answer
    x = 106,991,901.59

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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.