Home / 98,779,512.60-148,169,268.90-64,342,135.80

Finding the Fourth Proportional to 98,779,512.60, 148,169,268.90 and 64,342,135.80

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Solution

The fourth proportional to 98,779,512.60, 148,169,268.90 and 64,342,135.80 is: 96,513,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,779,512.60 : 148,169,268.90 = 64,342,135.80 : x
  2. Step 2: Convert to fraction form
    98,779,512.60/148,169,268.90 = 64,342,135.80/x
  3. Step 3: Cross multiply
    98,779,512.60x = 148,169,268.90 × 64,342,135.80
  4. Step 4: Simplify right side
    98,779,512.60x = 9,533,527,220,950,516
  5. Step 5: Solve for x
    x = 9,533,527,220,950,516/98,779,512.60
  6. Step 6: Final answer
    x = 96,513,203.70

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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.