Home / 108,889,695.80-163,145,586.90-70,531,465.40

Finding the Fourth Proportional to 108,889,695.80, 163,145,586.90 and 70,531,465.40

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Solution

The fourth proportional to 108,889,695.80, 163,145,586.90 and 70,531,465.40 is: 105,674,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,695.80 : 163,145,586.90 = 70,531,465.40 : x
  2. Step 2: Convert to fraction form
    108,889,695.80/163,145,586.90 = 70,531,465.40/x
  3. Step 3: Cross multiply
    108,889,695.80x = 163,145,586.90 × 70,531,465.40
  4. Step 4: Simplify right side
    108,889,695.80x = 11,506,897,317,600,044
  5. Step 5: Solve for x
    x = 11,506,897,317,600,044/108,889,695.80
  6. Step 6: Final answer
    x = 105,674,804.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.