Home / 130,065,262.68-179,473,565.68-71,312,467.28

Finding the Fourth Proportional to 130,065,262.68, 179,473,565.68 and 71,312,467.28

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Solution

The fourth proportional to 130,065,262.68, 179,473,565.68 and 71,312,467.28 is: 98,402,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,065,262.68 : 179,473,565.68 = 71,312,467.28 : x
  2. Step 2: Convert to fraction form
    130,065,262.68/179,473,565.68 = 71,312,467.28/x
  3. Step 3: Cross multiply
    130,065,262.68x = 179,473,565.68 × 71,312,467.28
  4. Step 4: Simplify right side
    130,065,262.68x = 12,798,702,780,179,932
  5. Step 5: Solve for x
    x = 12,798,702,780,179,932/130,065,262.68
  6. Step 6: Final answer
    x = 98,402,159.93

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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.