Home / 99,828,000.70-149,742,001.05-70,602,682.30

Finding the Fourth Proportional to 99,828,000.70, 149,742,001.05 and 70,602,682.30

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Solution

The fourth proportional to 99,828,000.70, 149,742,001.05 and 70,602,682.30 is: 105,904,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,828,000.70 : 149,742,001.05 = 70,602,682.30 : x
  2. Step 2: Convert to fraction form
    99,828,000.70/149,742,001.05 = 70,602,682.30/x
  3. Step 3: Cross multiply
    99,828,000.70x = 149,742,001.05 × 70,602,682.30
  4. Step 4: Simplify right side
    99,828,000.70x = 10,572,186,927,099,416
  5. Step 5: Solve for x
    x = 10,572,186,927,099,416/99,828,000.70
  6. Step 6: Final answer
    x = 105,904,023.45

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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.