Home / 130,065,263.70-179,473,567.02-71,312,468.28

Finding the Fourth Proportional to 130,065,263.70, 179,473,567.02 and 71,312,468.28

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Solution

The fourth proportional to 130,065,263.70, 179,473,567.02 and 71,312,468.28 is: 98,402,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,065,263.70 : 179,473,567.02 = 71,312,468.28 : x
  2. Step 2: Convert to fraction form
    130,065,263.70/179,473,567.02 = 71,312,468.28/x
  3. Step 3: Cross multiply
    130,065,263.70x = 179,473,567.02 × 71,312,468.28
  4. Step 4: Simplify right side
    130,065,263.70x = 12,798,703,055,212,206
  5. Step 5: Solve for x
    x = 12,798,703,055,212,206/130,065,263.70
  6. Step 6: Final answer
    x = 98,402,161.28

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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.