Home / 507,642,416.70-761,463,625.05-124,689,968.70

Finding the Fourth Proportional to 507,642,416.70, 761,463,625.05 and 124,689,968.70

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Solution

The fourth proportional to 507,642,416.70, 761,463,625.05 and 124,689,968.70 is: 187,034,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,642,416.70 : 761,463,625.05 = 124,689,968.70 : x
  2. Step 2: Convert to fraction form
    507,642,416.70/761,463,625.05 = 124,689,968.70/x
  3. Step 3: Cross multiply
    507,642,416.70x = 761,463,625.05 × 124,689,968.70
  4. Step 4: Simplify right side
    507,642,416.70x = 94,946,875,573,673,040
  5. Step 5: Solve for x
    x = 94,946,875,573,673,040/507,642,416.70
  6. Step 6: Final answer
    x = 187,034,953.05

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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.