Home / 163,312,352-225,219,661.54-119,189,461.76

Finding the Fourth Proportional to 163,312,352, 225,219,661.54 and 119,189,461.76

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Solution

The fourth proportional to 163,312,352, 225,219,661.54 and 119,189,461.76 is: 164,370,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312,352 : 225,219,661.54 = 119,189,461.76 : x
  2. Step 2: Convert to fraction form
    163,312,352/225,219,661.54 = 119,189,461.76/x
  3. Step 3: Cross multiply
    163,312,352x = 225,219,661.54 × 119,189,461.76
  4. Step 4: Simplify right side
    163,312,352x = 26,843,810,236,721,972
  5. Step 5: Solve for x
    x = 26,843,810,236,721,972/163,312,352
  6. Step 6: Final answer
    x = 164,370,973.22

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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.