Home / 122,499,871.04-169,053,650.16-70,298,455.52

Finding the Fourth Proportional to 122,499,871.04, 169,053,650.16 and 70,298,455.52

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Solution

The fourth proportional to 122,499,871.04, 169,053,650.16 and 70,298,455.52 is: 97,014,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,499,871.04 : 169,053,650.16 = 70,298,455.52 : x
  2. Step 2: Convert to fraction form
    122,499,871.04/169,053,650.16 = 70,298,455.52/x
  3. Step 3: Cross multiply
    122,499,871.04x = 169,053,650.16 × 70,298,455.52
  4. Step 4: Simplify right side
    122,499,871.04x = 11,884,210,506,266,400
  5. Step 5: Solve for x
    x = 11,884,210,506,266,400/122,499,871.04
  6. Step 6: Final answer
    x = 97,014,065.45

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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.