Home / 53,225,792.40-79,838,688.60-19,142,709.60

Finding the Fourth Proportional to 53,225,792.40, 79,838,688.60 and 19,142,709.60

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Solution

The fourth proportional to 53,225,792.40, 79,838,688.60 and 19,142,709.60 is: 28,714,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,225,792.40 : 79,838,688.60 = 19,142,709.60 : x
  2. Step 2: Convert to fraction form
    53,225,792.40/79,838,688.60 = 19,142,709.60/x
  3. Step 3: Cross multiply
    53,225,792.40x = 79,838,688.60 × 19,142,709.60
  4. Step 4: Simplify right side
    53,225,792.40x = 1,528,328,830,714,630.50
  5. Step 5: Solve for x
    x = 1,528,328,830,714,630.50/53,225,792.40
  6. Step 6: Final answer
    x = 28,714,064.40

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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.