Home / 149,779,218.60-224,668,827.90-85,058,015.40

Finding the Fourth Proportional to 149,779,218.60, 224,668,827.90 and 85,058,015.40

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Solution

The fourth proportional to 149,779,218.60, 224,668,827.90 and 85,058,015.40 is: 127,587,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,779,218.60 : 224,668,827.90 = 85,058,015.40 : x
  2. Step 2: Convert to fraction form
    149,779,218.60/224,668,827.90 = 85,058,015.40/x
  3. Step 3: Cross multiply
    149,779,218.60x = 224,668,827.90 × 85,058,015.40
  4. Step 4: Simplify right side
    149,779,218.60x = 19,109,884,623,418,152
  5. Step 5: Solve for x
    x = 19,109,884,623,418,152/149,779,218.60
  6. Step 6: Final answer
    x = 127,587,023.10

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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.