Home / 82,817,297.40-124,225,946.10-56,989,264.80

Finding the Fourth Proportional to 82,817,297.40, 124,225,946.10 and 56,989,264.80

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Solution

The fourth proportional to 82,817,297.40, 124,225,946.10 and 56,989,264.80 is: 85,483,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,817,297.40 : 124,225,946.10 = 56,989,264.80 : x
  2. Step 2: Convert to fraction form
    82,817,297.40/124,225,946.10 = 56,989,264.80/x
  3. Step 3: Cross multiply
    82,817,297.40x = 124,225,946.10 × 56,989,264.80
  4. Step 4: Simplify right side
    82,817,297.40x = 7,079,545,337,323,427
  5. Step 5: Solve for x
    x = 7,079,545,337,323,427/82,817,297.40
  6. Step 6: Final answer
    x = 85,483,897.20

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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.