Home / 109,572,689.61-151,210,459.05-59,336,995.82

Finding the Fourth Proportional to 109,572,689.61, 151,210,459.05 and 59,336,995.82

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Solution

The fourth proportional to 109,572,689.61, 151,210,459.05 and 59,336,995.82 is: 81,885,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,572,689.61 : 151,210,459.05 = 59,336,995.82 : x
  2. Step 2: Convert to fraction form
    109,572,689.61/151,210,459.05 = 59,336,995.82/x
  3. Step 3: Cross multiply
    109,572,689.61x = 151,210,459.05 × 59,336,995.82
  4. Step 4: Simplify right side
    109,572,689.61x = 8,972,374,376,590,132
  5. Step 5: Solve for x
    x = 8,972,374,376,590,132/109,572,689.61
  6. Step 6: Final answer
    x = 81,885,134.05

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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.