Home / 85,786,547.47-128,607,497.11-37,227,821.02

Finding the Fourth Proportional to 85,786,547.47, 128,607,497.11 and 37,227,821.02

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Solution

The fourth proportional to 85,786,547.47, 128,607,497.11 and 37,227,821.02 is: 55,810,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,786,547.47 : 128,607,497.11 = 37,227,821.02 : x
  2. Step 2: Convert to fraction form
    85,786,547.47/128,607,497.11 = 37,227,821.02/x
  3. Step 3: Cross multiply
    85,786,547.47x = 128,607,497.11 × 37,227,821.02
  4. Step 4: Simplify right side
    85,786,547.47x = 4,787,776,884,241,248
  5. Step 5: Solve for x
    x = 4,787,776,884,241,248/85,786,547.47
  6. Step 6: Final answer
    x = 55,810,345.86

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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.