Home / 163,307,312.10-244,960,968.15-72,430,901.10

Finding the Fourth Proportional to 163,307,312.10, 244,960,968.15 and 72,430,901.10

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Solution

The fourth proportional to 163,307,312.10, 244,960,968.15 and 72,430,901.10 is: 108,646,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,307,312.10 : 244,960,968.15 = 72,430,901.10 : x
  2. Step 2: Convert to fraction form
    163,307,312.10/244,960,968.15 = 72,430,901.10/x
  3. Step 3: Cross multiply
    163,307,312.10x = 244,960,968.15 × 72,430,901.10
  4. Step 4: Simplify right side
    163,307,312.10x = 17,742,743,657,432,898
  5. Step 5: Solve for x
    x = 17,742,743,657,432,898/163,307,312.10
  6. Step 6: Final answer
    x = 108,646,351.65

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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.