Home / 124,651,001.05-187,827,335.76-102,429,681.37

Finding the Fourth Proportional to 124,651,001.05, 187,827,335.76 and 102,429,681.37

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Solution

The fourth proportional to 124,651,001.05, 187,827,335.76 and 102,429,681.37 is: 154,343,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,651,001.05 : 187,827,335.76 = 102,429,681.37 : x
  2. Step 2: Convert to fraction form
    124,651,001.05/187,827,335.76 = 102,429,681.37/x
  3. Step 3: Cross multiply
    124,651,001.05x = 187,827,335.76 × 102,429,681.37
  4. Step 4: Simplify right side
    124,651,001.05x = 19,239,094,154,472,808
  5. Step 5: Solve for x
    x = 19,239,094,154,472,808/124,651,001.05
  6. Step 6: Final answer
    x = 154,343,679.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.