Home / 292,400,265.60-438,432,436.80-87,897,686.40

Finding the Fourth Proportional to 292,400,265.60, 438,432,436.80 and 87,897,686.40

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Solution

The fourth proportional to 292,400,265.60, 438,432,436.80 and 87,897,686.40 is: 131,796,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,400,265.60 : 438,432,436.80 = 87,897,686.40 : x
  2. Step 2: Convert to fraction form
    292,400,265.60/438,432,436.80 = 87,897,686.40/x
  3. Step 3: Cross multiply
    292,400,265.60x = 438,432,436.80 × 87,897,686.40
  4. Step 4: Simplify right side
    292,400,265.60x = 38,537,196,837,434,224
  5. Step 5: Solve for x
    x = 38,537,196,837,434,224/292,400,265.60
  6. Step 6: Final answer
    x = 131,796,039.10

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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.