Home / 56,371,809.60-84,557,714.40-42,934,881.60

Finding the Fourth Proportional to 56,371,809.60, 84,557,714.40 and 42,934,881.60

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Solution

The fourth proportional to 56,371,809.60, 84,557,714.40 and 42,934,881.60 is: 64,402,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,371,809.60 : 84,557,714.40 = 42,934,881.60 : x
  2. Step 2: Convert to fraction form
    56,371,809.60/84,557,714.40 = 42,934,881.60/x
  3. Step 3: Cross multiply
    56,371,809.60x = 84,557,714.40 × 42,934,881.60
  4. Step 4: Simplify right side
    56,371,809.60x = 3,630,475,456,130,615.50
  5. Step 5: Solve for x
    x = 3,630,475,456,130,615.50/56,371,809.60
  6. Step 6: Final answer
    x = 64,402,322.40

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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.