Home / 89,712,159.16-123,802,829.40-48,459,051.76

Finding the Fourth Proportional to 89,712,159.16, 123,802,829.40 and 48,459,051.76

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Solution

The fourth proportional to 89,712,159.16, 123,802,829.40 and 48,459,051.76 is: 66,873,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,159.16 : 123,802,829.40 = 48,459,051.76 : x
  2. Step 2: Convert to fraction form
    89,712,159.16/123,802,829.40 = 48,459,051.76/x
  3. Step 3: Cross multiply
    89,712,159.16x = 123,802,829.40 × 48,459,051.76
  4. Step 4: Simplify right side
    89,712,159.16x = 5,999,367,717,929,050
  5. Step 5: Solve for x
    x = 5,999,367,717,929,050/89,712,159.16
  6. Step 6: Final answer
    x = 66,873,518.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.