Home / 56,937,124.41-78,573,089.79-30,831,640.62

Finding the Fourth Proportional to 56,937,124.41, 78,573,089.79 and 30,831,640.62

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Solution

The fourth proportional to 56,937,124.41, 78,573,089.79 and 30,831,640.62 is: 42,547,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937,124.41 : 78,573,089.79 = 30,831,640.62 : x
  2. Step 2: Convert to fraction form
    56,937,124.41/78,573,089.79 = 30,831,640.62/x
  3. Step 3: Cross multiply
    56,937,124.41x = 78,573,089.79 × 30,831,640.62
  4. Step 4: Simplify right side
    56,937,124.41x = 2,422,537,266,808,271.50
  5. Step 5: Solve for x
    x = 2,422,537,266,808,271.50/56,937,124.41
  6. Step 6: Final answer
    x = 42,547,587.22

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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.