Home / 302,430,006.30-453,645,009.45-87,019,254.30

Finding the Fourth Proportional to 302,430,006.30, 453,645,009.45 and 87,019,254.30

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Solution

The fourth proportional to 302,430,006.30, 453,645,009.45 and 87,019,254.30 is: 130,528,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,430,006.30 : 453,645,009.45 = 87,019,254.30 : x
  2. Step 2: Convert to fraction form
    302,430,006.30/453,645,009.45 = 87,019,254.30/x
  3. Step 3: Cross multiply
    302,430,006.30x = 453,645,009.45 × 87,019,254.30
  4. Step 4: Simplify right side
    302,430,006.30x = 39,475,850,439,255,448
  5. Step 5: Solve for x
    x = 39,475,850,439,255,448/302,430,006.30
  6. Step 6: Final answer
    x = 130,528,881.45

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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.