Home / 287,238,371.40-430,918,088.40-93,134,653.20

Finding the Fourth Proportional to 287,238,371.40, 430,918,088.40 and 93,134,653.20

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Solution

The fourth proportional to 287,238,371.40, 430,918,088.40 and 93,134,653.20 is: 139,721,606.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,238,371.40 : 430,918,088.40 = 93,134,653.20 : x
  2. Step 2: Convert to fraction form
    287,238,371.40/430,918,088.40 = 93,134,653.20/x
  3. Step 3: Cross multiply
    287,238,371.40x = 430,918,088.40 × 93,134,653.20
  4. Step 4: Simplify right side
    287,238,371.40x = 40,133,406,720,740,944
  5. Step 5: Solve for x
    x = 40,133,406,720,740,944/287,238,371.40
  6. Step 6: Final answer
    x = 139,721,606.57

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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.