Home / 64,152,140.40-96,228,210.60-39,918,430.80

Finding the Fourth Proportional to 64,152,140.40, 96,228,210.60 and 39,918,430.80

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Solution

The fourth proportional to 64,152,140.40, 96,228,210.60 and 39,918,430.80 is: 59,877,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,140.40 : 96,228,210.60 = 39,918,430.80 : x
  2. Step 2: Convert to fraction form
    64,152,140.40/96,228,210.60 = 39,918,430.80/x
  3. Step 3: Cross multiply
    64,152,140.40x = 96,228,210.60 × 39,918,430.80
  4. Step 4: Simplify right side
    64,152,140.40x = 3,841,279,165,843,926
  5. Step 5: Solve for x
    x = 3,841,279,165,843,926/64,152,140.40
  6. Step 6: Final answer
    x = 59,877,646.20

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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.