Home / 157,228,916.40-235,843,374.60-99,549,853.20

Finding the Fourth Proportional to 157,228,916.40, 235,843,374.60 and 99,549,853.20

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Solution

The fourth proportional to 157,228,916.40, 235,843,374.60 and 99,549,853.20 is: 149,324,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,228,916.40 : 235,843,374.60 = 99,549,853.20 : x
  2. Step 2: Convert to fraction form
    157,228,916.40/235,843,374.60 = 99,549,853.20/x
  3. Step 3: Cross multiply
    157,228,916.40x = 235,843,374.60 × 99,549,853.20
  4. Step 4: Simplify right side
    157,228,916.40x = 23,478,173,319,622,608
  5. Step 5: Solve for x
    x = 23,478,173,319,622,608/157,228,916.40
  6. Step 6: Final answer
    x = 149,324,779.80

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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.